Shall we request the chairman（）our suggestion again?

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

He will behave(crazy)（）if he drinks too much.

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

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

The aircraft vanished without（）

She couldn't（）laughing at him in those clothes.

Our department（）courses in several foreign languages.

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

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