1. Don’t talk about such things of _______ you are not sure.
A. which B. what C. as D. those
2. Is this the factory __________ you visited the other day?
A. that B. where C. in which D. the one
3. Is this factory __________ some foreign friends visited last Friday?
A. that B. where C. which D. the one
4. Is this the factory __________ he worked ten years ago?
A. that B. where C. which D. the one
5. The wolves hid themselves in the places __________ couldn’t be found.
A. that B. where C. in which D. in that
6. The freezing point is the temperature __________ water changes into ice.
A. at which B. on that C. in which D. of what
7. This book will show you __________ can be used in other contexts..
A. how you have observed B. what you have observed
C. that you have observed D. how that you have observed
8. The reason is __________ he is unable to operate the machine.
A. because B. why C. that D. whether
9. I’ll tell you __________ he told me last week.
A. all which B. that C. all that D. which
10. That tree, __________ branches are almost bare, is very old.
A. whose B. of which C. in which D. on which
11. I have bought the same dress __________ she is wearing.
A. as B. that C. which D. what
12. He failed in the examination, __________ made his father very angry.
A. which B. it C. that D. what
13. We’re talking about the piano and the pianist _______ were in the concert we attended last night.
A. which B. whom C. who D. that
14. The girl ________ an English song in the next room is Tom’s sister.
A. who is singing B. is singing C. sang D. was singing
15. Those _______ not only from books but also through practice will succeed.
A. learn B. who C. that learns D. who learn
16. Anyone ________ this opinion may speak out.
A. that against B. that against C. who is against D. who are against
17. Didn’t you see the man ________?
A. I nodded just now B. whom I nodded just now
C. I nodded to him just now D. I nodded to just now
18. Can you lend me the novel ______ the other day?
A. that you talked B. you talked about it
C. which you talked with D. you talked about
19. Is there anything _______ to you?
A. that is belonged B. that belongs
C. that belong D. which belongs
20. ---- "How do you like the book?"
---- "It’s quite different from _______ I read last month."
A. that B. which C. the one D. the one what
21. Mr. Zhang gave the textbook to all the pupils except _______ who had already taken them.
A. the ones B. ones C. some D. the others
22. The train _______ she was travelling was late.
A. which B. where C. on which D. in that
23. He has lost the key to the drawer _______ the papers are kept.
A. where B. in which C. under which D. which
24. Antarctic _______ we know very little is covered with thick ice all the year round.
A. which B. where C. that D. about which
25. It’s the third time _______ late this month.
A. that you arrived B. when you arrived
C. that you’ve arrived D. when you’ve arrived