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

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

The price they offered for my old car was so low that I（）it down.

I expected a bigger payment, but I suppose you have to be（）for small mercies.

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

An explosion is a sudden increase in amount（）

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

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

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

The aircraft vanished without（）