—Must we clean the classroom now?—No ,you _______.
#76832
A
must
B
needn’t
C
aren’t
D
mustn’t
推荐题目
—_____ you please play tennis with me? —Sorry, I _____.
#74769
A
Could; can’t
B
Could; couldn’t
C
Can; don’t
D
Can; couldn’t
Today, we _____ work as hard as people did in the past.
#76507
A
mustn’t
B
can’t
C
shouldn’t
D
don’t have to