. Research findings show we spend about two hours dreaming every night, no matter what we ____ have done during the day. 
#88332
A
should
B
would
C
may
D
must
推荐题目
I was really anxious about you.You ________ home without a word.
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A
mustn't leave
B
shouldn't have left
C
couldn't have left
D
needn't leave
It was very kind of you to do the washing up, but you _______ it.
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A
mustn't have done
B
wouldn't have done
C
mightn't have done
D
didn't have to do 