An explosion is a sudden increase in amount（）

The survivors（）to a floating tree in hopes of rescue.

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

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

Shall we request the chairman（）our suggestion again?

He never（）to read the news but turned at once to the crossword puzzle on the last page.

Anne（）from outside her home last Wednesday.

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

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

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