中原工学院 / 学位英语(1)
29. Please remain _ _ _ _ until the plane has come to a complete stop.
A、A. to seat
B、B. to be seated
C、C. seating
D、D. seated
A、A. to seat
B、B. to be seated
C、C. seating
D、D. seated
参考答案:
佳题速递: