—Is Jessica giving us a speech this evening?—No, it _________ be her．She _________ to Japan．
#78277
A
mustn’t；has gone
B
mustn’t; has been
C
can’t; has gone
D
can’t; has been
推荐题目
—Must I finish the exercise this afternoon?—Yes, you ______, but you ______ finish it now.
#77433
A
must, mustn’t
B
must , don’t have to
C
may, needn’t
D
may , mustn’t
The weather turned out to be fine yesterday. I _______ have taken the trouble to carry my umbrella with me.
#63182
A
should
B
could
C
needn’t
D
mustn’t
Without gravity, we _____ walk on the ground as freely as we do now.
#63085
A
couldn’t
B
mustn’t
C
shan’t
D
needn’t