. 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
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Often, when he ______ something that ______ him, he wasted his time drawing some little pictures. 
#89280
A
should be doing; gave
B
should have been doing; was given
C
should do; was given
D
should have been doing; had given
She didn't answer the phone.She ___ be asleep.
#88930
A
couldn't
B
mustn’t
C
might
D
had to
— What do you think of the movie we saw just now?— I________ it --- it will give me terrible dreams.
#87817
A
shouldn’t watch
B
shouldn’t have watched
C
may not watch
D
can’t have watched