[单选题]I wish I()longer this morning, but I had to go to school at 7 o’clock.

A

could sleep 

B

could have slept

C

slept

D

have slept

正确答案:B
题目解析

由题干中的第二句话可知,事情发生在过去,第一句话是对过去事实相反的假设,所以应当用过去完成时态。所以选B。句意:我希望我今天早上能睡得更久,但我必须在7点钟去上学。

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