An explosion is a sudden increase in amount（）

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

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

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

I expected a bigger payment, but I suppose you have to be（）for small mercies.

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

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

She had clearly no（）of doing any work, although she was very well paid.

People appreciate（）with him because he has a good sense of humor.

Many students found the book （）;it provided them with a large amount of information on the subject.