问题
选择题
The pilot asked all the passengers on board to remain ______ as the plane was making a landing. [ ]
A. seated
B. seating
C. seat
D. to be seating
答案
答案：A
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The pilot asked all the passengers on board to remain ______ as the plane was making a landing. [ ]
A. seated
B. seating
C. seat
D. to be seating
答案：A