—Have a cigarette, will you ? —No, thanks. I _________ heavily, but I’ve given i

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—Have a cigarette, will you ?
—No, thanks. I _________ heavily, but I’ve given it up recently.

A．am used to smoking

B．used to smoking

C．used to smoke

D．has used to smoke

答案

解析

略

举一反三

It is global warming, rather than other factors, _______ the extreme weather.
A that have led to B which has caused C which are causing D that has led to

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— May I ask you a favor?
— ___________
A It’s my pleasure. B I have no time C With pleasure D Sure, go ahead.

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. Exercise is ________ as any other to lose unwanted weight.

A．so useful a way

B．as a useful way

C．as useful a way

D．such a useful way

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—Tom, you get dead drunk again!
—_______? It’s none of your business.

A．So what

B．How come

C．Why not

D．What for

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I really don’t know _______ I put my wallet.

A．where was it	B．it was where that
C．where it was that	D．where was it that

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