1) do
2) available
3) good
4) postpone
5)come up /
6) work-got something on
7) tied up -instead
8)suits
1) Do you want to hear the echo repeating your words?
2) I saw them walking home and singing.
3) The passengers watched him trying to catch the train.
4) She felt the wind blowing through the open window.
3. My friend is kind and nice.
4. These monkeys are really funny!
5. Are you fond of reading?
6. She's not bad and naughty!
7. I am 16.
8. My sister is very beautiful and clever.
9. We are friends forever!
10. My parents are not lazy, they work very hard.
11. I am a little bit angry now.
12. My kittens are so nice.
<span>2 - has to
3 - mustn't
4 - must или have to
5 - mustn't
6 - must (have to)</span>
<span>1. These books (were returned)
to the library yesterday.
2. The books must (be returned) to the library till the end of this month.
3. Why (hasn't your home task been done)?</span><span>4. The patient was taken to
the hospital today, and (will be operated) tomorrow morning.
5. This room (is used) only on special occasions.
6. Litter must not (be left) here.
7. The children (will be taken) to the circus this afternoon.
8. Dictionaries may not (be used) at the examination.
9. Usually this street (is swept) every day, but it (wasn't swept) yesterday.
10. This book (was ) left in the classroom yesterday; it (was found) by me.
11. Thousands of new houses (are built) every year.
12. This room (hasn't been used) for a long time.
</span>