Research findings show we spend about two hours dreaming every night.no matter w
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| Research findings show we spend about two hours dreaming every night，no matter what we____ during the day. A．may be doing B．could have done C．must have done D．might have done |
试题答案
| D |
| 句意：“研究调查结果表明，我们每天晚上花费大约两小时作梦，不管我们白天做过什么。”no matter what...是让步状语从句，用“must have done”一定……(判断)和“could have done”“本可，本能”(没做)，不合句意，答案是D(“might have done”“也许”)。 |