根据下面内容,回答题:Many people want to know how to analyze problems

根据下面内容,回答题:Many people want to know how to analyze problems they meet. There a

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第27题应选( )

第27题应选( )A.set B.machine C.radio D.Program

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第31题应选( )

第31题应选( )A.walks B.exercises C.trips D.Housework

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We can't understand why he avoided ___________ to us.

We can't understand why he avoided ___________ to us.A.to speak B.Speak C.havin

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