—Is Jessica giving us a speech this evening?—No, it _________ be her．She _________ to Japan．
#59250
A
mustn't；has gone
B
mustn't; has been
C
can't; has gone
D
can't; has been
推荐题目
What action should they _____________such a thing happen again?
#56245
A
do stopping
B
do to stop
C
take stopping
D
take to stop