—Excuse me, visiting hours are over.It' s time for you to leave.—I' m sorry, I didn't know the time or I ______ earlier.
#87146
A
will leave
B
would leave
C
had left
D
would have left
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I was really anxious about you. You _____ __ home without a word. 
#90288
A
mustn’t leave
B
shouldn’t have left
C
couldn’t have left
D
needn’t leave
Mary is ill today. If she _____, she ____ here at school
#86351
A
were not ill;would be
B
had been ill;wouldn't have been
C
were ill;should have been
D
hadn't been ill;could be