—Hi, Johnson, any idea where Susan is?—It's class time, so she       in the classroom now.
#63533
A
can be
B
must have been
C
might have been
D
should be
推荐题目
You _______ write the poem down. Our teacher will give us a copy. 
#74599
A
can’t
B
shouldn’t
C
needn’t
D
mustn’t
You ______ to the party if you’re so busy.
#76821
A
don’t need come
B
not need coming
C
needn’t come
D
need not to come