4.　　　 I wanted to know the answer, _______ I went to ask him.

3.　　　 I like chocolate, _______ it is bad for teeth.

2.　　　 Hurry _______ you will miss the plane.

1.　　　 They are happy _______ they deserved their happiness.

20. I can’t say ______ I want to see you again. It’s a year since I last saw you.

19. - My watch doesn’t work.. Could you mend it, please?

　　　 　 - Sorry. But the workers in that watch shop may be ______.

A. kind　B. friendly　C. nice D. helpful

18. Li Ming did his homework ______. So he left school last.

A. easily　B. quickly　C. happily　D. slowly

17. I bought ______ exercise - books with ______ money.

A. a few, a few　B. a few, a little　C. a little, a few　D. a little, a little

16. Lucy said she hadn’t heard ______ music before.

A. such a beautiful piece of　B. a beautiful　C. so beautiful a　D. such a wonderful

15. Miss Gao asked a question, but it was ______ that nobody could answer it.

A. very difficult　B. too difficult　C. difficult enough　D. so difficult