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

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

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

An explosion is a sudden increase in amount（）

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

The student's first attempt at writing a play was a far（）from the work of Shakespeare.

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

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

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

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