I don't know who on（）stole the diamond last night.

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

Mr. Edward was not in, so his brother acted as （）at the party.

She is very nice, but because she has a（）way of speaking, she is slow in making friends

Anne（）from outside her home last Wednesday.

The price they offered for my old car was so low that I（）it down.

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

The aircraft vanished without（）

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

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