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

The aircraft vanished without（）

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

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

He（）for military service against the wishes of his parents.

The weakening housing market continued to take its（）on the industry.

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

Mr. Sanders has been asked to（）the next meeting of the committee.

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

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