问题

Is that your best friend Kitty?— No, it _________ be her. She flew to Singapore yesterday.
A:must
B:can
C:Mustn’t
D:Can’t
B:can
C:Mustn’t
D:Can’t
正确答案是:
同类题型
My father often goes to work _____. [ ]
Our classroom is a little untidy. Please the desks and chairs.
If he takes on this work, he will have no choice but ______ an even greater challenge._
I’ll tell them my theory after I _____ my experiment.[ ]
I play ___ piano very well and my brother plays _____ football very well.