问题
选择题
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
答案
答案：C
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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
答案：C