Iusuallysleepwell________night,but

发布时间:2020-07-27 15:02:46

I usually sleep well ________ night, but ________ the night before we started, I could hardly fall asleep.A.at; atB.on; atC.at; onD.on; on

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C解析通常情况下,表示“在夜里”用at night,但在有定语修饰表示特定的一天夜里时,night前面搭配介词on并需要冠词。
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