—Howdoyouthinkhemanagedtoimpro

—How do you think he managed to improve his English in such a short time?
—______ four hours on it every day．

A．Because of spending	B．To spend
C．By spending	D．Spending

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相关试题

Do remember to go to his birthday party on time __________ you've promised to.

A．now that

B．as though

C．even if

D．so that

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A technology company will die soon if it can't __________ to the market fast enough.

A．reply

B．react

C．lead

D．attend

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We should follow the __________ in a foreign country we are visiting.

A．habits

B．customs

C．tradition

D．practice

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__________ our earth, or else it will be no longer fit for us to live on.

A．Protecting

B．To protect

C．Protect

D．Protected

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Don't __________ a trick on the little girl. She is very shy.

A．take

B．have

C．give

D．play

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