People appreciate（）with him because he has a good sense of humor.

Many students found the book （）;it provided them with a large amount of information on the subject.

An explosion is a sudden increase in amount（）

Inquiries（）the condition of the patients may be made personally or by telephone.

Since we can't hear you at the back of the hall, you'll have to（）your voice.

I want you to succeed without（）and firmly believe that you will succeed if you try hard enough.

She had clearly no（）of doing any work, although she was very well paid.

Some say yes and others say no; I don't know （）to follow.

In China,it is quite (nature)（） for people to go back home for the Spring Festival.

Shall we request the chairman（）our suggestion again?