An explosion is a sudden increase in amount（）

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

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

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

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

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

We forgave her anger because we knew that her father's illness had put her under great （）

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

Some say yes and others say no; I don't know （）to follow.

（）students often find it difficult to live in China at first.