—Shelooksveryhappy.Shehavepass

—She looks very happy. She ______ have passed the exam.
--I guess so. It’s not difficult after all.

A．should

B．could

C．must

D．might

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A．Thanks to

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C．Owing to

D．Because

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A．Having been killed

B．Killing

C．Killed

D．Having killed

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A．what; what

B．which; that

C．that; which

D．that; what

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— _____.

A．Good idea

B．Help yourself

C．Go ahead, please

D．Me, too

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--- _________. You know, I don't want to get rich by taking risks.

A．All is well that ends well.	B．One man's meat is another's poison
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