Man has never ceased to停止 search for cures治疗 for such ________ diseases as cancer a

A．The man is an Australian.B．The man wants to become a sailor.C．The man has decided to

Mr. Bill has never been to China. As a result he knows little about this country.A．Because

The man was seen______heavily to the ground and never get up again.A．fallingB．fallenC．to f

I only know the man by ______ but I have never spoken to him.[2001]A．chanceB．heartC．sightD

We can infer from " Never stay in a restroom with a man who talks to the plumbing" in Para

"Tom has been to New York" entails______.A．Tom has been to AmericaB．Tom has never been to