1、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.
2、 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 th
3、e 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
4、 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.
5、 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
6、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
7、 through practice will succeed. A. learn B. who C. that learns D. who learn 16. Anyone __________ this opinion may speak out. A. that againsts 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 nodde
