The pilot asked all the passengers on board to remain _____ as the plane was making a landing.
Robots(机器人)are to do the same thingspeople.
We should spend as much time as we can English.
—Did you have nice holiday? —Yes,it was best holiday I,ve ever had.
There are some trees on one side of the road and some factories on _____.
all the students in his class,Xiao Ming writes.