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№2. Collocations. Match. 1. sea 2. greenhouse 3. research 4. survival 5. nature 6. marine 7. self-catering 8. stunning 9. rescue 10. webbed a) scenery b) biologist c) level d) helicopter e) station f) gas g) course h) gloves i) reserve j) apartment

№3. Choose the preposition. 1. Many animals are in/ under threat. 2. They adapted to/ in the dark conditions. 3. He was singing loudly to scare by/ off bears. 4. Wear more clothes instead of turning off/ up the heat. 5. They warned me about/ of his bad behavior.

№4. Phrasal verbs. Choose the correct particle. 1. Our car had suddenly broken, so we tried to look (up/ for) a mechanic. 2. Look (after/ through) the text and answer the questions. 3. The boys looked (in/after) their sick friend. 4. Don’t eat this yogurt! It went (off/round). 5. We called the gas service because the gas pipe was broken and the house could go (off/ into).

№5. Word formation. Fill in the correct word derived from the words in CAPITALS. 1. Extreme sports like roofing are . (DANGER) 2. She looks . (ATHLETE) 3. The salad is very . (SALT) 4. This hotel is very . (EXPENSE) 5. Enjoy this beauty. (NATURE) 6. Scientists say robots could be rather in the future. (FUNCTION) 7. I like to travel with him by car. He is a very driver. (CARE) 8. The sofa looks . I’d like to buy it. (COMFORT) 9. I’m to oranges. That’s why I avoid eating them. (ALLERGY) 10. Be attentive! Some of the mushrooms are (POISON) Grammar.

№6. Choose the correct item. 1. I promise I to the library after school. a) am going b) will go c) go 2. Tom on a trip this weekend. a) going to go b) is going c) goes 3. My train at 9:00 tomorrow. a) leaves b) will leave c) is leaving 4. We dinner at a restaurant at 7p.m. I booked a table yesterday. a) have b) will have c) are having 5. Don’t worry. I you to do the task. a) help b) am helping c) will help 6. If you heat water, it a) boils b) will boil c) boil 7. If you study hard, you the exam. a) would pass b) would have passed c) will pass 8. If I you, I would ask for help. a) were b) am c) will be 9. If she earlier, she would have caught her flight. a) left b) had left c) leave 10. I wish I at home now. a) am b) were c) had been 11. It’s raining. I wish I left my umbrella at home. a) didn’t leave b) don’t leave c) hadn’t left

№7. Communication. Match 1-6 to A-F. 1. How can I help you? 2. Can I book it, please? 3. Does that include breakfast? 4. How much is it per night? 5. How about joining me for a game? 6. We look forward to seeing you. A. Thank you. Goodbye. B. It’s 100 $ C. I’d like to book a room, please. D. Sure, I’d love to! E. Certainly. When for? F. No, I’m sorry.
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№2. Collocations:

1. sea - a) scenery
2. greenhouse - f) gas
3. research - e) station
4. survival - c) level
5. nature - j) apartment
6. marine - b) biologist
7. self-catering -i) reserve
8. stunning - a) scenery
9. rescue - d) helicopter
10. webbed - h) gloves

Explanation:

- A greenhouse is a glass building where plants are grown, and it is associated with the gas (f) that is emitted within it to help plants grow.
- Research often takes place in scientific stations (e) where scientists conduct experiments and gather data.
- Survival (c) represents the level or process of staying alive or existing in a challenging situation.
- Nature (j) can be enjoyed from an apartment, which is a stunning (a) place to live and observe the beauty of the natural world.
- Marine biology is a branch of biology that focuses on the study of organisms found in the sea (b).
- Self-catering (i) refers to accommodations where individuals can prepare their own meals, typically found in natural reserves.
- When a rescue (d) is needed, a helicopter is often used for transportation.
- Gloves (h) with webbed fingers are commonly used by biologists when conducting marine research.

№3. Choose the preposition:

1. Many animals are under threat.
2. They adapted to the dark conditions.
3. He was singing loudly to scare off bears.
4. Wear more clothes instead of turning up the heat.
5. They warned me about his bad behavior.

Explanation:

- Animals are under threat, meaning they are in a vulnerable or endangered state.
- They adapted to the dark conditions, indicating that they adjusted or became suited to those specific conditions.
- He was singing loudly to scare off bears, meaning he wanted to make the bears go away or retreat.
- Instead of turning up the heat, it is advised to wear more clothes to keep warm.
- They warned me about his bad behavior, indicating that they provided information or caution regarding his poor conduct.

№4. Phrasal verbs:

1. Our car had suddenly broken, so we tried to look up a mechanic.
2. Look through the text and answer the questions.
3. The boys looked after their sick friend.
4. Don't eat this yogurt! It went off.
5. We called the gas service because the gas pipe was broken, and the house could go into.

Explanation:

- When our car broke down suddenly, we tried to look up (search for information) a mechanic.
- Look through means to examine or search something carefully.
- The boys took care of (watched over) their sick friend.
- If food goes off, it becomes spoiled or rotten and should not be eaten.
- If a gas pipe is broken, there is a risk of a gas leak, which could lead to an explosion or other dangerous situations.

№5. Word formation:

1. Extreme sports like roofing are dangerous.
2. She looks athletic.
3. The salad is very salty.
4. This hotel is very expensive.
5. Enjoy this natural beauty.
6. Scientists say robots could be rather functional in the future.
7. I like to travel with him by car. He is a very careful driver.
8. The sofa looks comfortable. I'd like to buy it.
9. I'm allergic to oranges. That's why I avoid eating them.
10. Be attentive! Some of the mushrooms are poisonous.

Explanation:

- Extreme sports like 'roofing' (engaging in dangerous activities involving heights) are dangerous.
- 'Athletic' describes someone who is physically fit or has a sporty appearance.
- The word 'salty' describes a taste sensation that is caused by the presence of salt.
- If something is 'expensive,' it means it is costly or requires a significant amount of money.
- 'Natural beauty' refers to the beauty found in the environment or the natural world.
- Scientists believe that robots could become increasingly 'functional' (performing tasks efficiently) in the future.
- A 'careful' driver is someone who exercises caution and is attentive on the road.
- If a sofa looks 'comfortable,' it means it appears cozy and relaxing.
- If someone is 'allergic' to a particular substance, they have a negative reaction to it.
- Some mushrooms are 'poisonous,' meaning they can cause harm or illness if consumed.

№6. Grammar:

1. I promise I will go to the library after school. (b)
2. Tom is going on a trip this weekend. (b)
3. My train leaves at 9:00 tomorrow. (a)
4. We will have dinner at a restaurant at 7 p.m. I booked a table yesterday. (b)
5. Don't worry. I will help you to do the task. (c)
6. If you heat water, it boils. (a)
7. If you study hard, you will pass the exam. (c)
8. If I were you, I would ask for help. (a)
9. If she had left earlier, she would have caught her flight. (b)
10. I wish I were at home now. (b)
11. It's raining. I wish I hadn't left my umbrella at home. (c)

Explanation:

- The correct form of the verb 'go' in this context is the future form 'will go' (b).
- The correct form is the present continuous 'is going' (b) to describe a planned event in the future.
- The correct form is the simple present 'leaves' (a) for a scheduled event.
- The correct form is the future tense 'will have' (b) as the booking happened before the speaking moment.
- The correct form is 'will help' (c) as it indicates future assistance.
- The correct form is 'boils' (a) as it describes a general truth or fact.
- The correct form is 'will pass' (c) as it points to a future event.
- The correct form is 'were' (a) in an unreal conditional construction (subjunctive mood).
- The correct form is 'had left' (b) for the past unreal condition.
- The correct form is 'were' (b) expressing an unreal condition in the present.
- The correct form is 'hadn't left' (c) for the past unreal condition.

№7. Communication:

1. How can I help you? - F. No, I'm sorry. (requesting assistance)
2. Can I book it, please? - C. I'd like to book a room, please. (requesting to make a reservation)
3. Does that include breakfast? - A. Thank you. Goodbye. (inquiry about the inclusion of breakfast)
4. How much is it per night? - B. It's 100 $. (asking about the price per night)
5. How about joining me for a game? - D. Sure, I'd love to! (inviting someone to participate)
6. We look forward to seeing you. - E. Certainly. When for? (expressing anticipation of a future meeting)

Explanation:

- "How can I help you?" is an invitation for the person to explain their request, while "No, I'm sorry" is a response indicating that no assistance is needed.
- "Can I book it, please?" is a request to make a reservation, and "I'd like to book a room, please" is an affirmative response.
- "Does that include breakfast?" is an inquiry about the inclusion of breakfast in a service or package, while "Thank you. Goodbye." is a polite way to conclude the conversation.
- "How much is it per night?" is a question regarding the price, and the response "It's 100 $." provides the answer.
- "How about joining me for a game?" is an invitation to participate, and "Sure, I'd love to!" expresses the acceptance of the invitation.
- "We look forward to seeing you." expresses anticipation, while "Certainly. When for?" is a response to inquire about the specific time or date.