In our school library there a number of books on science and the number o

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In our school library there a number of books on science and the number of them growing larger and larger.

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举一反三

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A．is , are

B．are , is

C．has , is

D．have , are

--- Must I hand in my report now?
--- No, you ________. You still have some time.

A．shouldn’t

B．mustn’t

C．needn’t

D．can’t

These books______very interesting. Many children like reading them.

A．am

B．is

C．are

D．be

_Can you write a letter in English?
_No, I______.I know only a little English.

A．can’t

B．needn’t

C．may not

D．mustn’t

There ______ little water in the river.

A．be

B．am

C．is

D．are

— Will you stay for lunch?
— Sorry, I ______. My brother is coming to see me.

A．needn’t

B．can’t

C．shouldn’t

D．mustn’ t