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

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

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

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

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