How ________ you say that you really understand the whole story if you have covered only part of the article?

A. can

B. must

C. need

D. may

A left-luggage office is a place where bags ________ be left for a short time, especially at a railway station.

A. should

B. can

C. must

D. will

He is taking pains to reach the goal set by his parents because he wants to ________their expectation.

A. come up with

B. look up to

C. count on

D. live up to

-How did it ________that all the flowers died?

-I had forgotten to water them.

A. come about

B. come back

C. come down

D. come to

My radio is good enough to ________BBC English and VOA English clearly.

A. look up

B. pick up

C. pick out

D. turn out

The government has ________ the parents to work with teachers in the education of their children.

A. asked for

B. looked for

C. called for

D. paid for

The plan ________just because people were unwilling to co-operate(合作).

A. broke down

B. pulled down

C. turned down

D. put down

The early pioneers had to ________many difficulties to settle down on the new land.

A. go along with

B. go back on

C. go through

D. go into

When he realized the police had seen him, the thief ________the exit as quickly as possible.

A. made off

B. made for

C. made out

D. made up

After a long way he was very tired and his legs ________.

A. gave up

B. gave in

C. gave out

D. gave off