问题

Mr Bush is on time for everything. How _______ it be that he was late for the opening ceremony?

A:can
B:should
C:may
D:must

正确答案是：

同类题型

_____ in her maths homework, Amy kept thinking and writing for an hour in her study.

certainthat his invention will lead to the development of production.

The club members said it was one of the best compositions they____.

下列词语书写完全正确的一项是（）

r _______, it’s worth it and I’ll get it .