When the area was _______ by the flood, the government organized people to send food and medicine there immediately.

A. cut away B. cut down

C. cut off D. cut up

Recently, however, scientists have been finding that long-term use of these fertilizers can cause damage to the land, thus _____it less fertile.

A. make B. to make

C. made D. making

He failed the final examination and only then ____ how much time he had wasted.

A. he realized B. had he realized

C. he had realized D. did he realize

Jack is the right person you can rely on to ____ the research when you are on vacation for the next two weeks.

A. carry on B. focus on

C. take up D. insist on

The music brought the days back to me _____ I was out of work wandering hopelessly on the streets.

A. until B. that C. when D. which

At the conference, they came up with three different _____ to solving the serious problem.

A. approaches B. means

C. methods D. ways

It is hard for us to eat better, exercise more, and sleep enough, ________ we know we should.

A. since B. even if

C. unless D. as if

—Would you rather ______ there to attend the lecture tomorrow?

—No, I’d rather he ______ there instead of me.

A. to go; will go B. go; went

C. go; will go D. going; shall go

Nowadays people are convinced ___ the negative effect of second-hand smoking ___ people around.

A. of; at B. by; in

C. of; on D. on; at

If you hurry up, I think it quite ____for you to catch the flight, for there are still 50 minutes left.

A. probably B. likely

C. possibly D. certainly