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

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

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

An explosion is a sudden increase in amount（）

After she became a lawyer, she decided to （）criminal law.

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.

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

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

The aircraft vanished without（）