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When by the teachers, a student tends to study harder than usual. A.to be praise

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When by the teachers, a student tends to study harder than usual. A.to be praise

When ______ by the teachers, a student tends to studyharder than usual.

A.to be praised      B.praising           C.praised           D.to praise

 

试题答案

【答案】

C

【解析】试题