题目内容
7、All passengers _______, please fasten your seat belts and remain seated _______ the plane is landing．
A．on board; until B．abroad; since
C．on the board; before D．aboard; when
试题答案
7、D
All passengers ____, please fasten your seat belts and remain seated ____the plane is landing．
A．on board; until B．abroad; since C．on the board; before D．aboard; when
查看习题详情和答案>>
All passengers ____, please fasten your seat belts and remain seated ____the plane is landing．
A．on board; until B．abroad; since C．on the board; before D．aboard; when
查看习题详情和答案>>All passengers _______, please fasten your seat belts and remain seated _______ the plane is landing．
A．on board; until B．abroad; since
C．on the board; before D．aboard; when
查看习题详情和答案>>
All passengers ____, please fasten your seat belts and remain seated ____the plane is landing．
| A．on board; until | B．abroad; since | C．on the board; before | D．aboard; when |
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
All passengers ______, please fasten your seat belts and remain seated ______ the plane is landing.
|
A．on board; before |
B．abroad; since |
C．on the board; after |
D．aboard; when |
查看习题详情和答案>>
All passengers ______, please fasten your seat belts and remain seated ______ the plane is landing.
| A．on board; before | B．abroad; since | C．on the board; after | D．aboard; when |