I observed two men in raincoat ______ the hall.

A enter　　　　　 B. entering　　　　　 C. entered　　　　　　 D. to enter

Generally speaking, _______ according to the directions, the drug has no side effect .

A. when taking 　 B. when taken 　 C. when to take D. when to be taken

Tens of thousands of people starved to _____ when the two countries were at war.

A. die　　　　 B. death　　　 C. dead　　　　 D. dying

--Mum, it is nice weather. I want to skate this afternoon.

　　 -- Don't you think the ice on the lake is too thin to　　　　 your weight?

　　 A. stand　　　　 B. bear　　　　　 C. catch　　　　　　 D. take

It is so nice to hear from her, ____, we last met more than 30 years ago.

A. what’s more B. that’s to say C. in other words D. believe it or not

When ____________（問及）the secret of his success, he said that he owed much of his success and happiness to his wife and children. (ask)

English is a language shared by several diverse cultures, each of ____ uses it somewhat differently.

A. which 　　　　 B. what 　　　　 C. them 　　　　　　 D. those

Noise is unpleasant, _____ when you are trying to sleep.

A. especially　　　　　　　　　　 B. specially

C. extremely　　　　　　　　　　　 D. naturally

— Jane: Tom, let me introduce you to Lucy.

— Tom: ____

　 — Lucy: Hi, I’m Lucy Lee.　　

　 A. What’s your name?　 B. Hello. 　 C. Nice to see you.　 D. Sorry, not right now.

He hasn’t realized the _______ (意義) of learning English well.