题目内容

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My brother left home five years ago. I _______ nothing from him up to now.
A．hearB．heardC．have heardD．had heard
C
略
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A．cookB．eatC．makeD．take

－Why is you rprofessor so happy recently?
－Because the throry she insisted on__________correct.
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A．studiedB．had studiedC．was studyingD．would study
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A．seeB．are seeingC．have seenD．saw
He _____ the cooking yesterday.
A．didB．madeC．tookD．had
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A．is; doesn’t B．are; don’t C．are; doesn’t D．is; don’t

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