There were two boys in the lab, did the experiment successfully.
| A．the clever of whom |
| B．the cleverer or whom |
| C．the clever of them |
| D．the more clever of them |
My brother，______ his classmates often made fun a few years ago，is now studying in England．
| A．of whom | B．who | C．about whom | D．whom |
一Do you think I should apply for the job?
一Why not? If you make an effort，the _______ are that you’11 be employed．
| A．results | B．hopes | C．wishes | D．chances |
The surface of the table ______ smooth enough．
| A．hash’t felt | B．isn’t feeling | C．doesn’t feel | D．isn’t felt |
一Why didn’t you try your best to get on the bus?
一I tried to，but ______ I could，it started moving．
| A．until | B．when | C．before | D．after |
You seem to have a ready—made answer _______ I ask you a question．
| A．however | B．whatever | C．whichever | D．whenever |