You will _______ your health if you work so hard，eat a little food and sleep badly．
A．fail B．improve C．help D．endanger
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
