— _______ we clean the classroom at once? — No, you _______. You _______ clean it after school.
#78132
A
Must; needn’t; may
B
Must; mustn’t; can.
C
Shall; can’t; must
D
Need; mustn’t; may
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Look at the sign! It says: You______ park your cars here.
#74232
A
mustn’t
B
needn’t
C
shouldn’t
D
can’t
(2012·上海高考)The new law states that people ________ drive after drinking alcohol.
#62387
A
wouldn't
B
needn't
C
won't
D
mustn't
It is important to know about the cultural differences that cause problems.
#62570
A
must
B
dare
C
shall
D
may
—Catherine, I have cleaned the room for you.—Thanks, you __________it. I could manage it myself.
#63430
A
needn’t do
B
needn’t have done
C
mustn’t do
D
shouldn’t have done