---Sorry, Professor Smith. I didn't finish the assignment yesterday.---Oh, you      have done it as yesterday was the deadline.
#87069
A
must
B
mustn't
C
should
D
shouldn't
推荐题目
She ______ find any ______ employment.
#88074
A
wasn’t able to; normal
B
shouldn’t; often
C
couldn’t; regular
D
mightn’t; ordinary
If I _________ ten years younger, I _________very happy.
#87082
A
were; would be
B
am; shall be
C
were; shall be
D
am; would be
 I was really anxious about you. You___home without a word. 
#89626
A
mustn’t leave
B
shouldn’t have left
C
couldn’t have left
D
needn’t leave