______, if he doesnt learn he knows nothing.
A．A man is ever so clever
B．Be a man ever so clever
C．So clever as a man ever is
D．No matter how a man is clever

未分类题If one travels on the Mediterranean cruise in the future,A．he she will become a cheapskate.B．it will cost him her more money.C．it will become more economical.D．there will be no free services.

未分类题You will see to______the engine does not get out of order.A．thatB．howeverC．it thatD．which

未分类题The authors biggest worry about using nuclear energy is that_____.A．it will do great harm to the inadequate reserves of coalB．it is deadly if terrorists attack a nuclear plantC．it will limit the development of many other alternativesD．there will be a wider gap between developed and developing countries

未分类题______ when Shanghai was the paradise for imperialist adventurers.A．Gone are the daysB．Are the days goneC．Gone the days areD．Are gone the days

未分类题She______not have seen you yesterday, for she was not there.A．mightB．couldC．shouldD．must