7. Underline the correct item. 1 Grandma didn't use to / used to have a :
mobile phone but she does now.
2 At 9:00 am next Monday, I will fly / will be
flying to Amsterdam
3 Sophia did / was going to do her essay but
she changed her mind.
4 They used to / are used to hot weather.
5 Johan has painted / has been painting the
garage for two hours.
6 Lilly's eyes are red. She was crying / has
been crying
7 I was reading a book while Beth did / was
doing her homework.
8 I'll tell Jim about the party. I'll be seeing /
am seeing him at work.

1. Grandma didn't use to have a mobile phone but she does now.

In this sentence, we are talking about Grandma's mobile phone usage in the past and present. To choose the correct option, we need to consider the fact that Grandma didn't have a mobile phone in the past but now she does. The correct answer is "didn't use to" because it indicates a change from the past to the present.

2. At 9:00 am next Monday, I will be flying to Amsterdam.

When we talk about a future action that will be in progress at a specific time, we use the future continuous tense. In this case, the action of flying to Amsterdam will be happening at 9:00 am next Monday. Therefore, the correct answer is "will be flying."

3. Sophia was going to do her essay but she changed her mind.

In this sentence, we are discussing Sophia's intention to do her essay in the past but her change of plans. The correct answer is "was going to do" because it indicates her initial plan that did not happen.

4. They are used to hot weather.

This sentence is talking about their habit or adaptation to hot weather. The phrase "are used to" means that they have become accustomed to hot weather over time. Therefore, the correct answer is "are used to."

5. Johan has been painting the garage for two hours.

This sentence is talking about the duration of an ongoing action in the past up until the present. The use of "has been painting" indicates that Johan started painting the garage in the past and has been doing it continuously for the past two hours. Therefore, the correct answer is "has been painting."

6. Lilly's eyes are red. She has been crying.

This sentence is describing Lilly's current state based on an action that happened in the past. The redness of her eyes is the result of the action of crying. The correct answer is "has been crying" because it focuses on the continuous action in the recent past that caused her eyes to be red.

7. I was reading a book while Beth was doing her homework.

This sentence is talking about two simultaneous actions happening in the past. While the speaker was reading a book, Beth was doing her homework. The correct answer is "was doing" because it refers to Beth's action that was happening at the same time as the speaker's action of reading.

8. I'll tell Jim about the party. I'll be seeing him at work.

This sentence is discussing a future action that will happen as a part of a regular routine or schedule. The speaker will see Jim at work in the future and take the opportunity to tell him about the party. The correct answer is "I'll be seeing" because it indicates a planned future action.