You have already tried your best, so you ________ worry about the matter.

A. can't

B. needn't

C. mustn't

D. couldn't

梍_______ I take the newspaper away?

桸o, you mustn't. You ________ read it only here.

A. Must；can

B. May；can

C. Need；must

D. Must；must

桵r John, we must hand in our homework today, ________

桸o, you ________. But you must bring it to school tomorrow.

A. needn't we；mustn't

B. mustn't we；needn't

C. mustn't you；mustn't

D. needn't we；needn't

He and his friends ________ much time ________ the work.

A. spends；doing

B. spent；doing

C. took；to do

D. cost;；do

Don't make ________.

A. her crying

B. her to cry

C. she cry

D. her cry

桪o you mind if I sit here?

梍_______. It's for Mr Brown.

A. Not at all

B. Never mind

C. Better not

D. Of course not

梍_______ you ________ your pen?

梇es, I am.

A. Do；find

B. Are；looking for

C. Are；finding

D. Do；look for

桯i, Mike! How's it going?

梍_______.

A. Good idea

B. I think so

C. Pretty good

D. Of course

桯i, Jim, ________ you come to my party?

桽orry, I can't. I have to do my homework.

A. can

B. may

C. need

D. must

How ________ that be true?

A. may

B. must

C. can

D. does