题目列表(包括答案和解析)
All the passengers __________, please fasten your seat belts and remain seated __________ the plane is landing．
on board; until
abroad; since
on the board; before
aboard; when
With the plane ,some passengers on board feel sick and want to throw up.
A、taken off B、taking off C、to take off D、would take off
All passengers ________, please fasten your seat belts and remain seated ________ the plane is landing．
on board; until
abroad; since
on the board; before
aboard; when
With all the two hundred passengers____, the plane took off.
A. on board B. on the board C. on boards D. going on board
When the plane suddenly took off,all the people felt surprised and frightened,
A、on plane B、by plane C、on the board D、on board
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