IV. complete the sentences
1. The water is polluted you can't drink it .
2. boys and girls may behave differently is this situation .
3. Don't eat too much, otherwiseyou will be overweight .
4. I don't like that man because he is very unfriendly .
5. he has a bad cold. He feels very unpleasant .
6. nobody likes him because of his untidy .
7. There are many good pprgram on TV for teenagers .
8. Walking is a fun, easy and inexpensive activity .
9. It was extremely careful of you leave your library book on the bus .
10. he is quite an energetic person. He plays a lot of sports .
V. Tìm lỗi sai trong câu .
1. Out ⇒ Our cows produce less milk than their ⇒ theirs .
2. The post office often sells phone cards apart of ⇒ from stamps.
3. My dad alway has a three- weeks ⇒ three - week vacation a year .
4. I hope Mr. Ba soon got used to travelling ⇒ travel to work by bicyle 5. the doctor says you should spens a little time to play ⇒ playing video games .