—Lily,hurryup!Thebusiscoming.—

—Lily, hurry up! The bus is coming.
—Oh, no, we _______ cross the street until the traffic lights turn green.

A．mustn’t	B．may not
C．needn’t	D．don’t have to

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My father’s new cell phone can be used _________ e-mails. But he says he isn’t used ________ on such a small screen.

A．to send, to write	B．for sending, to write
C．to send, to writing	D．to sending, to writing

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A．visits

B．visited

C．to visit

D．visit

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--Yes. He often ________ lots of time ________ to us.

A．pays, explaining	B．spends, explaining
C．takes, explaining	D．costs, explaining

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A．buying

B．to buy

C．making

D．to make

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In our life, we can work hard on one task _______, and then another. In this way, all your dreams can be realized.

A．at a time

B．on time

C．at the time

D．all the time

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