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

Our department（）courses in several foreign languages.

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

Shall we request the chairman（）our suggestion again?

The aircraft vanished without（）

Anne（）from outside her home last Wednesday.

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

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

She had clearly no（）of doing any work, although she was very well paid.

The noise of the traffic（）Paul from his work.