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

Our department（）courses in several foreign languages.

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

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

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

The student's first attempt at writing a play was a far（）from the work of Shakespeare.

I could not persuade him to accept it,（）make him see the importance of it.

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

I expected a bigger payment, but I suppose you have to be（）for small mercies.

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