The aircraft vanished without（）

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

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

His company promised to pay for his health （）in addition to other benefits.

Since we can't hear you at the back of the hall, you'll have to（）your voice.

An explosion is a sudden increase in amount（）

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

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

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

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