问题

How could they keep us waiting for so long? — They got on the bus half an hour ago and they ________ be here in ten minutes, I think.

A:might
B:would
C:should
D:must

正确答案是：

同类题型

mily I enjoyed so much at your partylast night —________

ough three football players of theopposite sideto prevent Robert fromkicking the ball, he still ______ to shoot the ball into the goal

Let’s do sports after school.—OK. _______ playing basketball

1Come and have a look Mr.White’s Clothes Store.

His grandfather ________ for seven years.