问题

The pilot asked all the passengers on board to remain ________ as the plane was making a landing [ ]

A: seat
B: seating
C: seated
D: to be seating

正确答案是：

同类题型

Many people are _____________ in the____________ story.

How did he get my telephone number?—You ________ it . You told him last week．

I’m sorry. I shouldn’t have been so rude to you. —You ________ something not very nice to me, but that’s OK.

Amy, I’m going to Qufu to travel next week. — ______.

Andy, your mother the bookshop yet— Yes. She left ten minutes ago.