请帮我分析并解答几道英语选择题
1、 The two things __________ they felt very proud are Jim’s gold watch and Della’s hair.
A. about which B. of which C. in which D. for which
2、Ours is a beautiful school, ________ we are proud.
A. about which B. of which C. in which D. for which
3、The astronaut did many experiments in the spaceship, __________ much help for knowing space.
A. which we think it is B. which we think are of
C. of which we think is D. I think which is of
4、The desk ________ which Jack is leaning is John’s.
A. in which B. on which C. against which
5、The dinner was the most expensive meal we __________.
A. would have B. have had C. had never had D. had ever had
6、 They were interested __________ you told them.
A. in which B. in that C. all that D. in everything
为何不能选C？
7、The great day we looked forward to __________ at last.
A. come B. came C. coming D. comes
8、 This is the only article of these that _____ written by him.
A. was B. were C. is D. are
请将每道题为什么选这个而不选那个的理由给我讲清楚好吗？谢谢大家！
参考答案:1.B
把be proud of拆开
2.B
和上题一样
3.C
介词倒装到前面
4.at which
固定搭配
5.D
是过去完成时,但是楼上粗心选错了~~~~~~~~
6.D
宾语从句的话是in what 或者 in all that ,但是没有,所以先用everything作为先行词,然后再跟定语从句
7.B
主干是The day came at last,套了个定语从句
8.C
这种情况不用过去时,用一般时