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.

Our department（）courses in several foreign languages.

An explosion is a sudden increase in amount（）

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

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

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

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

I want you to succeed without（）and firmly believe that you will succeed if you try hard enough.

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