We should go to school at 8:00 ______________ school mornings.

A.at B.in C.on D.of

 

C

【解析】

试题分析:句意:我们应在上学的早晨8:00去上学。mornings前有修饰语school,故此短语用介词on.据句意,故选C。

考点:考查介词。

 

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