The aircraft vanished without（）

Our department（）courses in several foreign languages.

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

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

Shall we request the chairman（）our suggestion again?

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

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

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

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

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