As it turned out to be the most important meeting in the year, you ____ so casually. 
#62823
A
Shouldn’t dress up
B
shouldn’t have dressed up
C
needn't have dressed up
D
couldn’t dress up
推荐题目
—Does your uncle still smoke?—He ____________given it up. It’s two years ever since he ____________.
#63200
A
can’t have; smoked
B
may have; smoked
C
should have; has smoked
D
should have; didn’t smoke
You __________ tell anyone about this — it’s a secret.
#63512
A
needn’t
B
mustn’t
C
couldn’t
D
wouldn’t
I ______ follow you. Would you please repeat it?
#74196
A
can’t
B
mustn’t
C
needn’t
D
shouldn’t