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

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.

I could not persuade him to accept it,（）make him see the importance of it.

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

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

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

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

People appreciate（）with him because he has a good sense of humor.

Our department（）courses in several foreign languages.