问题

The pilot asked all the passengers on board to remain ______ as the plane was making alanding [ ]

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

正确答案是：

同类题型

I a girl. My name Gina.

8．With years of hard training, Jackson is ______ his second gold medal in the Olympics.

retirement, Mr. Smith _____ painting, which he had always loved but had no time for.

Mom, I’ m going to the graduation dance tonight but I don’t think I look attractive enough— Oh, darling, don’ t worry _______

They have ____________.