(2013·四川高考)—Why are your eyes so red? You ________ have slept well last night.—Yeah, I stayed up late writing a report.
#86578
A
can't
B
mustn't
C
needn't
D
won't
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The little girl        ,but her family was too poor at that time.
#89335
A
could go to school
B
could have gone to school
C
must have gone to school 
D
can have gone to school
——My cat’s really fat. ——You____________have given her so much food. 
#90458
A
wouldn’t
B
couldn’t
C
shouldn’t
D
mustn’t
_______ it rain tomorrow, we would stay at home.
#87246
A
Should
B
Be
C
Were
D
Will
       anyone call, tell them I’m in conference.
#86721
A
Should
B
Would
C
Could
D
Might