Read the following sentences carefully. Choose the correct answer. About 100 people outside the theatre for tickets when we got there.
1 were queuing
2 queued
3 have queued
4 queue

The witness claimed he the accused before. *
1 didn’t see
2 hasn’t seen
3 hadn’t seen
4 wasn’t seeing

The work next week so we’ll be free to do what we want. *
1 are finishing
2 will have finished
3 will have been finished
4 will be finished

I feel sick. If only I (not eat) all those cakes (I ate them and now I regret it). *
1 wouldn't eat
2 didn't eat
3 hadn't eaten
4 don't eat

I wish I (come) with you tomorrow (I'm not coming with you). *
1 had been coming
2 was coming
3 will be coming
4 come

His only bad habit is that he too loudly. *
1 talks
2 is talking
3 talked
4 have been talking

The answers are based on our experience. *
1 provide
2 providing
3 provided
4 when providing

Galileo proposed the hypothesis that all falling bodies at the same constant speed. *
1 dropped
2 will drop
3 would drop
4 drop
If this new method were applied, we better results. *
1 obtain
2 would obtain
3 can obtain
4 will obtain

Oxygen to be the most abundant element. *
1 known
2 to know
3 knowing
4 is known

I a lecture on philosophy from 9 a.m. till 11 a.m. tomorrow. *
1 have been delivering
2 will deliver
3 will be delivering
4 will have been delivering

He stopped the medicine, as it wasn’t doing any good. *
1 have taken
2 to take
3 taking
4 take

If she behaved better, people her a lot more. *
1 will like
2 would like
3 would have liked
4 like

I don’t know when she to you about it. *
1 had spoken
2 speaks
3 has spoken
4 will speak

He his house broken into last week. *
1 will have
2 had
3 has
4 is having

Tommy is very spoilt and is used his own way. *
1 to get
2 get
3 to getting
4 getting

I told her that I something to show her. *
1 will have
2 had
3 is having
4 have

“Any news from Tess?” “Yes. She tomorrow on the 9.15 train”. *
1 will have arrived
2 will have been arriving
3 arriving
4 arrives

Dancers for the performance since November. *
1 will train
2 are training
3 has been training
4 have been training

We didn’t enjoy the play so we early. *
1 will leave
2 was leaving
3 leave
4 left

Because the house in the flood. *
1 had damaged
2 was damaged
3 was damaging
4 damaged

If I were you, I to his lies.
1 won’t listen
2 wouldn’t listen
3 wouldn’t be listening
4 will be listening

Let's analyze each sentence and find the correct answer together:

1. "About 100 people outside the theatre for tickets when we got there."
The correct answer is 1. "were queuing"
Explanation: The verb "were queuing" is the past continuous form of the verb "queue," which means to wait in a line. In this sentence, we need to use the past continuous tense to describe the action of people waiting in a line.

2. "The witness claimed he the accused before."
The correct answer is 3. "hadn't seen"
Explanation: The verb "hadn't seen" is the past perfect form of the verb "see." In this sentence, we need to use the past perfect tense to show that the witness did not see the accused before a certain point in the past.

3. "The work next week, so we'll be free to do what we want."
The correct answer is 2. "will have finished"
Explanation: The verb "will have finished" is the future perfect form of the verb "finish." In this sentence, we need to use the future perfect tense to show that the work will be completed before a certain point in the future.

4. "I feel sick. If only I (not eat) all those cakes (I ate them and now I regret it)."
The correct answer is 3. "hadn't eaten"
Explanation: The verb "hadn't eaten" is the past perfect form of the verb "eat." In this sentence, we need to use the past perfect tense to express regrets about a past action.

5. "I wish I (come) with you tomorrow (I'm not coming with you)."
The correct answer is 1. "had been coming"
Explanation: The verb "had been coming" is the past perfect continuous form of the verb "come." In this sentence, we need to use the past perfect continuous tense to express a wish about a past action.

6. "His only bad habit is that he too loudly."
The correct answer is 1. "talks"
Explanation: The verb "talks" is the present simple form of the verb "talk." In this sentence, we need to use the present simple tense to describe a habit.

7. "The answers are based on our experience."
The correct answer is 3. "provided"
Explanation: The verb "provided" is the past simple form of the verb "provide." In this sentence, we need to use the past simple tense to describe an action based on a condition.

8. "Galileo proposed the hypothesis that all falling bodies at the same constant speed."
The correct answer is 4. "drop"
Explanation: The verb "drop" is the present simple form of the verb "drop." In this sentence, we need to use the present simple tense to state a fact.

9. "If this new method were applied, we better results."
The correct answer is 2. "would obtain"
Explanation: The verb "would obtain" is the conditional form of the verb "obtain." In this sentence, we need to use the conditional tense to express a hypothetical situation.

10. "Oxygen to be the most abundant element."
The correct answer is 4. "is known"
Explanation: The verb "is known" is the present simple passive form of the verb "know." In this sentence, we need to use the present simple passive tense to state a fact.

11. "I a lecture on philosophy from 9 a.m. till 11 a.m. tomorrow."
The correct answer is 2. "will deliver"
Explanation: The verb "will deliver" is the future simple form of the verb "deliver." In this sentence, we need to use the future simple tense to describe a future action.

12. "He stopped the medicine, as it wasn't doing any good."
The correct answer is 3. "taking"
Explanation: The verb "taking" is the present continuous form of the verb "take." In this sentence, we need to use the present continuous tense to describe an ongoing action.

13. "If she behaved better, people her a lot more."
The correct answer is 2. "would like"
Explanation: The verb "would like" is the conditional form of the verb "like." In this sentence, we need to use the conditional tense to describe a hypothetical situation.

14. "I don't know when she to you about it."
The correct answer is 1. "had spoken"
Explanation: The verb "had spoken" is the past perfect form of the verb "speak." In this sentence, we need to use the past perfect tense to describe an action that happened before a certain point in the past.

15. "He his house broken into last week."
The correct answer is 2. "had"
Explanation: The verb "had" is the past simple form of the verb "have." In this sentence, we need to use the past simple tense to describe a past action.

16. "Tommy is very spoilt and is used his own way."
The correct answer is 1. "to get"
Explanation: The verb "to get" is the infinitive form of the verb "get." In this sentence, we need to use the infinitive form to describe a habit or characteristic.

17. "I told her that I something to show her."
The correct answer is 4. "have"
Explanation: The verb "have" is the present simple form of the verb "have." In this sentence, we need to use the present simple tense to describe a general truth or fact.

18. "Any news from Tess?" "Yes. She tomorrow on the 9.15 train."
The correct answer is 1. "will have arrived"
Explanation: The verb "will have arrived" is the future perfect form of the verb "arrive." In this sentence, we need to use the future perfect tense to describe an action that will be completed before a certain point in the future.

19. "Dancers for the performance since November."
The correct answer is 4. "have been training"
Explanation: The verb "have been training" is the present perfect continuous form of the verb "train." In this sentence, we need to use the present perfect continuous tense to describe an action that started in the past and is still going on in the present.

20. "We didn't enjoy the play so we early."
The correct answer is 4. "left"
Explanation: The verb "left" is the past simple form of the verb "leave." In this sentence, we need to use the past simple tense to describe a completed action in the past.

21. "Because the house in the flood."
The correct answer is 2. "was damaged"
Explanation: The verb "was damaged" is the past simple passive form of the verb "damage." In this sentence, we need to use the past simple passive tense to describe an action that happened to the subject.

22. "If I were you, I to his lies."
The correct answer is 3. "wouldn't be listening"
Explanation: The verb "wouldn't be listening" is the conditional continuous form of the verb "listen." In this sentence, we need to use the conditional continuous tense to describe a hypothetical ongoing action.

I hope this helps you understand the answers to the questions! Let me know if you have any further questions.