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

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

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

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

The aircraft vanished without（）

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

I just managed to（）a quick breath before I was pulled under the water by the passing boats.

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

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

An explosion is a sudden increase in amount（）