Studies reveal that people spent two hours dreaming every night,no matter what they during the day

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• research findings show wo spend about two hours dreaming every night,no matter what we___during the day.
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• 1.Research findings show wo spend about two hours dreaming every night,no matter what we __D__ during the day.A.should have done B.would have done C.must have done D.may have done 2.A bicycle __A__ by electric power,which does good to the environment,becomes quite popular in our city.A.driven B.being driven C.to be driven D.is driven
• 54 Research findings show we spend about two hours dreaming every night,no matter what we ___________ during the day.
• Studies reveal that people spent two hours dreaming every night,no matter what they during the day
• 1.Research findings show wo spend about two hours dreaming every night,no matter what we __D__ during the day.
• research findings show wo spend about two hours dreaming every night,no matter what we___during the day.是选may have done还是would have done?如果有might have done,还有should have done 和would have done 有什么区别?
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