问题

Once_____, everyone taking the examination will be given test papers [ ]

A: seated
B: seating
C: being seated
D: having seated

正确答案是：

同类题型

He doesn’t want salad，apples ________ chicken．

Please ________ your brother when I’m on business. —My pleasure.

Tom was deeply by the story of the hero. Which of the following is not right?

____ with the size of the whole earth, thehighest mountain doesn’t seem high at all.

The little boy burst