1. lived
2. was doing; was waiting
3. went
4. spent
5. often visited
6. was still doing; decided
7. didn't come; was raining; was leaking
8. was staying; was always forgetting
Exercise 8
1. The Mississippi River is the greatest waterway in the United States.
2. The Mississippi begins as a tiny stream.
3. The Mississippi river is cleaner than the Missouri River, and the Missouri River is muddy.
4. The best part of our visit was a boat ride.
5. Billy has caught a worse cold than he had last year.
6. The mountains in the west are higher than the mountains in the east.
Exercise 9
1. A lot of time was wasted when we were looking for the right house.
2. A lot can be done to stop the destruction of forests.
3. Nuclear weapons mustn't be used.
4. A lot about extinct animals of our planet will be told by biologists.
5. The text ought to be rewritten to make it look nicer.
6. These fragile cups should be packed very well, or they may break.
1) You have got a large bookcase, haven't you?
2) Frank can speak Italian very well, can't he?
3) His parents will come at 8 o`clock, won't they?
4) There is a book on the desk, isn't there?
5) The toys are in the box, aren't they?
1) It is Vera`s school bag, isn't it?
2) There are some pencils on Ted`s desk, aren't there?
3) You can see a pen under the teacher`s table, can't you?
4) Kate has got a lot of interesting books, hasn't she?
5) Our parents will come to school tomorow, won't they?
1) You should get up early in the morning .
2) You should do morning exercises every day .
3) You shouldn't eat a lot of sweets and chocolate .
4) You should drink fruit juice and milk.
5) You shouldn't <span>go to bed late .</span>
<span>1. This event has shuttered the foundations.
2. Russia is facing isolation.
3. I cannot memorize the verse.
4. We otfen use idioms in speach.
5. His intonation was mean.
6. It can be seen afterwards.
7. He was not very helpful.
8. Their mother tongue was forgotten.</span>