______earlier, I" d have told you.A．If I would have known itB．Had I known itC．If

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______earlier, I" d have told you.

A．If I would have known it	B．Had I known it
C．If I knew it.	D．Should I know it

答案

解析

略

举一反三

I’ve been working for over twenty years and seldom so tired as now .

A．I have felt

B．I had felt

C．have I felt

D．had I felt

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Among the films being nominated（提名） directed by Zhang Yimou.

A．is a popular film	B．is as popular
C．a popular film	D．one is popular

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No sooner ________ themselves in their seats in the theatre _______ the curtain went up.

A．they have settled; before	B．had they settled; than
C．have they settled; when	D．they had settled; than

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—I’d like to play football with you, but I have an important thing to attend to.
—If you don’t go, __________.

A．neither do I

B．so will I

C．nor will I

D．so do I

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________ that we can’t afford to waste it.

A．So precious is time	B．So time is precious
C．So is time precious	D．So precious time is

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