21. We often think of the days ______ we spent together on the island.
A. when B. which C. in which D. during which
22. Have you ever been to Shanghai, ______ I left ten years ago?
A. where B. which C. that D. when
23. He has left Beijing, ______ a meeting is to be held.
A. when B. where C. as D. which
24. This is the very place ______ Im wishing to live in.
A. where B. which C. that D. in which
25. Is it in that factory ______ “Red Flag” cars are made?
A. in which B. where C. that D. which
26. I have bought the same dress ______ she is wearing.
A. as B. that C. which D. than
27. Can you solve such problems ______ raised by the audience?
A. what were B. as were C. that were D. which were
28. The reason ______ he didnt come was ______ he was injured.
A. that, because B. why, that C. why, because D. that, that
29. He must be from Africa, ______ can be seen from his skin.
A. that B. as C. it D. what
30. His father died last year, ______ made it impossible for him to go abroad.
A. when B. which C. as D. that
答案：21-25 BBBCC 26-30 ABBBB