Prepositions of Time 1) The boys start eating their lunch in/at/on 12:00, 2) It snows all the time in/at/on December.3) They practice soccer in/at/on Saturday.4) Sir Isaac Newton was born in/at/on the 17th century.5) In/At/On breakfast, she drinks coffee with only sugar, ​

1 at

2in

3 on

4 in

5 at( не точно)

7) It’s getting late.We really must go.

8) May borrow your pen?

9) I cannot understand why you're so upset.

10) She has to admit, it's incredibly exciting.

11) I hope they will not be late.

12) What should he say when they ask?

Объяснение:

7) Must (без to, т.к. модальный)

8) May I borrow (без do, т.к. may - самостоятельный)

9) Can't (Am не нужно)

10) She has to admit (+ to, т.к. это форма глагола have to)

11) Will not (отрицательная частица в утвердительном/отрицательном стоит после глогола)

12) What should he say (вопросительное предложение, should перед глаголом)

1. Do you  know that man over there? - Actually, I do. He's Muriel's husband.
2. Are you  doing anything tomorrow evening? - Yes. I am seeing Jack at nine o'clock.
3. I  see you are feeling better. - Yes, I am, thank you.
4. What's that noise? - The people next door are having a party.
5. Graham has a new computer. - I know. I've already seen it.
6. This dress does not fit me any more. - Why don't you buy a new one?
7. Your perfume smells nice. What is it? - It's a new perfume called Sunshine.
8. What is Jane doing? - She is smelling the flowers in the garden.
9. What are you looking at? - Some photos I took during my holidays. They aren't very good, though.
10. You look very pretty today. - Thank you. I've just had my hair cut.
11. I think we're being followed. - Don't be silly! It's just your imagination.
12. Is anything wrong? - No. I have just been thinking about the test tomorrow.
13. This fabric feels like silk. - It is silk, and it was very expensive.
14. What are you doing? - I am feeling the radiator to see if it's getting warm.
15. She is generous, isn't she? - Yes, she has never been a mean person.
16. He is being very quiet today, isn't he? - Yes, I think he has some problems.
17. Would you like some cherries? - Yes, please I love cherries. They're my favourite fruit.
18. I'm sorry, but I do not understand what you mean. - Shall I explain it again?
19. The children are making lots of noise today. - I know, but they are having fun.
20. This cake tastes awful. - I think I forgot to put the sugar in it.