—CanIgotothepark,Mum?—Certainl

—Can I go to the park, Mum?
—Certainly. But you ______ be back by six o’clock.

A．can

B．may

C．might

D．must

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相关试题

—Would you mind my opening the window?
— ________.

A．Never mind	B．Of course not.
C．You’d better not.	D．Yes, please.

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— What are you looking for? —I’m looking for the book _____ you lent me yesterday。

A．what

B．who

C．when

D．/

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You should try to _____ the problems by yourself. You are not a child any longer.

A．get on

B．get into

C．get over

D．get off

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— Do you have any difficulty _____ English?
— Yes, but I try to make myself _____.

A．to speak, understood	B．speaking,understand
C．to speak, to understand	D．speaking, understood

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—Whose book is this? — It _______ our teacher’s. You see, his name is on it.

A．can’t be

B．can be

C．mustn’t be

D．must be

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