He is an ____ manager.A.proficientB.efficientC.potentialD.sufficient

Young ______ he is, he has proved to be an able salesman.A．thatB．whoC．asD．which

He thinks he is superior ______ his classmates because his father is an important person.A

In "He has had his hair cut", cut is used as ______.A．a predicateB．an adverbialC．an object

He is______an important customer now and he will be back tonight.A．calling onB．calling upC

When he is confronted with a ________ he usually makes an arbitrary decision by throwing a coin.

Wang Ling one of my friends is very good at English. He speaks English as if he ________ an Englis