—Would you like to go to the concert with me, Mary?

—I have got no interest in it;________ , I have lots of work to do.

A. otherwise 　　    B. besides 　　　　    C. however 　　　　  D. therefore

It is not until you have lost your health________ you know its value.

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

—How could I thank you enough?

—Don't mention it. Any other man________that.

A. must do 　　　　   B. could do 　　　　  C. would have done　　 D. should have done

Not until Jane got off the bus did she find her wallet________.

A. missed 　　　　    B. missing 　　　　    C. losing 　　　　　　  D. miss

Peter________come with us tonight, but he isn’t very sure yet.

A. must 　　　　　　   B. may 　　　　　　    C. can 　　　　　　　　 D. will

The Arabian Nights________well known to the English.

A. is 　　　　　　　　    B. are 　　　　　　　　  C. was 　　　　　　    D. were

If you want to become a scientist________,you should study harder_____.

A. future, future 　　　　　　　　　　　　　　   B. in future, in future

C. in the future, in future 　　　　　　　　   D. in future, in the future

When you are in trouble, you should try to________ your feet by yourself.

A. struggle on 　　  B. struggle to　　　　 C. fight with　　　　  D. fight against

—I haven't heard from Henry for a long time.

—What do you suppose________to him?

A. was happening   B. to happen　　　　  C. has happened　　 D. had happened

The heavy snow________our difficulty with the project.

A. added 　　　　　　  B. added to 　　　　  C. added up to 　　  D. added in