5.　　　 He made another wonderful discovery, _______ of great importance to science.

A. which I think is　　　　 B. which I think it is　　　　　　 C. which I think it　 D. I think is

4.　　　 There is none of us _______ wishes to go.

A. that　　　　　 B. which　　　　 C. who　　　　　 D. but

3.　　　 That is the day______ I’ll never forget.

A. which　　　　 B. on which　　　　　 C. in which　　 D. when

2.　　　 The old man has two sons, _______ is a doctor.

A. both of them　　　　　　 B. both of whom　　　　　 C. neither of them　　　　 D. neither of whom.

1.　　　 -Where did you find her? -It was in the hotel ___ she stayed.

A. that　　　　　 B. where　　　　 C. which　　　　 D. there

25. _______ four years since I joined the Army.

　 A. it was　 B. It is 　C. There is 　D. There was

Answers:　 1-5 CCABA　　 6-10 CBCAD　 11-15 DAADD

　　　　　 16-20 DDBCC　 21-25 BCDBB　 　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　

24. It was not ______ she took off her glasses _____ I realized she was a famous film star.

　 A. when; that　　　 B. until; that　 　C. until; when　　 D. When; then

23. I don’t think _____ possible to master a foreign language without memory work.

　 A. this　 B. that　 C. its　　 D. it

22. - I am looking for a flat.

　　 - Would you like _____ with _____ garden?

　　 A. it; the　　 B. it; a　 C. one; a　　 D. one; the

21. The TV set made in China are much better than _____ in Japan.

　　 A. that　　 B. those　 　C. them　　 D. it