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

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

I was（）than angry when I saw how they'd ruined the landscape.

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

I just managed to（）a quick breath before I was pulled under the water by the passing boats.

An explosion is a sudden increase in amount（）

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

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

Our department（）courses in several foreign languages.

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