- Look! Mr Hu is on the other side of the stree.- It be him. He has gone to England. [ ]A——青夏教育精英家教网——

— Look! Mr Hu is on the other side of the stree.
— It ______ be him. He has gone to England.

A. mustn't
B. can't
C. shouldn't
D. won't

—Will you stay for some more days?
—Sorry, I _______. My mother called to ask me to go back at once.

A. mustn't
B. may not
C. can't
D. wouldn't

Tom, would you please _______ the box? It's for your sister.

A. not to open
B. don't open
C. not open
D. to not open

—Who is that man?
—That _______ be Mr. Green. He always walks this way. Hi! Mr. Green.

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

Very loud noises _____ make people ill. So we _____ make great noise.

[ ]

A. must; mustn't
B. need; needn't
C. can; mustn't
D. must; can't

If you are in the zoo, remember not to touch or go near the animals. Although some of the animals are cute,
you _____ leave them alone.

[ ]

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

The talented boy _________ write lyrics when he was at the age of ten.

[ ]

A. may
B. could
C. must

You ______ wear sports shoes when you climb a mountain.

[ ]

A. can't
B. shouldn't
C. mustn't
D. have to

— Another cup of tea?
— No, thanks. I _____ be off. Gina is waiting for me.

[ ]

A. can
B. must
C. may

一Bob, shall we go and meet our new classmate?
一Sorry. I'm busy now. But you ________ ask David to go with you. He is free.

[ ]

A. need
B. may
C. would
D. must

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