8)C

9)C

10)B

11)C

12)C

13)A

14)A

15)C

16)A

17)B

          1)When Don arrived we were having coffee.

           2)He sat down on a chair while I was painting it.

           3) The student were playing a game when peofessor arrived.

Rewite,using but,and, so

4) He loves her and she loves him so they are getting married.

5)Tim is sleeping so you can't speak to speak him at the moment.

6)My mother wanted me to become a doctor but I didn't.

7)Nick didn't understand the lesson so he could't so the housework.

8)A bee flew into the classroom this morning and It stung me.

9)You mustn't put this in the washing machine so you must wash it by hand and you must dry clean it.

1) You had better put your money in the bank.

2)You don't have to talk so loudly.

3) The teacher made Tom ask her for permission before leaving.

4)All of us felt the house shake violently.

5)It is impossible to work in this noise.

6)Mr Puncher doesn't let his children go out in the evening.

7)It's quite easy to contact her at work.

          1)C

           2)C

           3)B 

            4)B

            5)A

            6)C

He loves her and she loves him so they are getting married.

5)Tim is sleeping so you can't speak to speak him at the moment.

6)My mother wanted me to become a doctor but I didn't.

7)Nick didn't understand the lesson so he could't so the housework.

8)A bee flew into the classroom this morning and It stung me.