问题

Is there an express to Beijing tonight? — There ______ be, but you’d better call the booking office to make sure.

A:can
B:might
C:will
D:must

正确答案是：

同类题型

goff the bus, she found her hbeing missed

u sure you won’t come for a drink with us —-_________, if you insist.

The singer is always very________to the reaction of the audience when she gives a performance.[ ]

We all think___ interesting to climb the mountain in such a sunny day.

He is _____ , and today is his _____ birthday.