8. That tree, __________ branches are almost bare, is very old.
A. whose
B. of which
C. in which
D. on which
7. I’ll tell you __________ he told me last week.
A. all which
B. that
C. all that
D. which
6. The reason is __________ he is unable to operate the machine.
A. because
B. why
C. that
D. whether
5. The freezing point is the temperature __________ water changes into ice.
A. at which B. on that C. in which D. of what
4. The wolves hid themselves in the places __________ couldn’t be found.
A. that
B. where
D. in that
3. Is this the factory __________ he worked ten years ago?
C. which
D. the one
2. Is this factory __________ some foreign friends visited last Friday?
1. Is this the factory __________ you visited the other day?
3. ---- What did the football player you were talking to want?
---- He would like to read or listen to an account of everything there is going on in the world.
强化练习:
2. He asks for the latest book there is on the shelf.