The aircraft vanished without（）

Our department（）courses in several foreign languages.

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

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

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

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

Mr. Edward was not in, so his brother acted as （）at the party.

I don't know who on（）stole the diamond last night.

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

I tried very hard to persuade him to join our group but I met with a flat（）