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
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