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

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

She is very nice, but because she has a（）way of speaking, she is slow in making friends

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

The aircraft vanished without（）

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

The price they offered for my old car was so low that I（）it down.

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

（）students often find it difficult to live in China at first.

Nobody knows how long and how seriously the shakiness（不穩(wěn)定） of big businesses will （） down the economy.