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

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

Our department（）courses in several foreign languages.

Nobody knows how long and how seriously the shakiness（不穩(wěn)定） of big businesses will （） down the economy.

The noise of the traffic（）Paul from his work.

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

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

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

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

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