The pilot asked all the passengers on board to remain________ as the plane was making a landing. 
#94393
A
seat
B
seating
C
seated
D
to be seating
推荐题目
________ their lessons, they went to the cinema.
#96732
A
Finishing
B
Had finished
C
Finished
D
Having finished
The bridge ____ in the 1800’s was the oldest building in this village.
#96113
A
to be completed
B
having been completed
C
completed
D
being completed
Tom, I am very happy _____ you yesterday. I do wish I will have another chance to meet you.
#88333
A
to treat
B
to be treating
C
to have treated
D
to be treated