Question

【题目】Research findings show we spend about two hours dreaming every night, no matter what we ____________ during the day.

A. may have done B. could do

C. must have done D. would do

Answer 1

【答案】A

【解析】考查情态动词辨析。句意：研究结果显示，我们每晚要花两个小时的时间做梦，无论白天做了什么事情。” may have done“可能已经做了某事”；could do“可以做某事”；must have done“一定已经做了某事”； would do“总是做某事”。这里表示“可能”，且表示对过去的推测。故选A。