An explosion is a sudden increase in amount（）

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

The survivors（）to a floating tree in hopes of rescue.

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

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

He never（）to read the news but turned at once to the crossword puzzle on the last page.

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

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.

Mr. Sanders has been asked to（）the next meeting of the committee.