Passengers on board aren’t allowed _____ calls during take-off.
A．making or receiving B．having made or received
C．to have made or received D．to make or receive
高二英语单项填空中等难度题
Passengers on board aren’t allowed _____ calls during take-off.
A．making or receiving B．having made or received
C．to have made or received D．to make or receive
高二英语单项填空中等难度题查看答案及解析
(2017·北京)Many airlines now allow passengers to print their boarding passes online ________ their valuable time.
A. save B. saving
C. to save D. saved
高二英语单项填空困难题查看答案及解析
With the plane in ten minutes, all the passengers on board were asked to turn off their mobile phones.
A. taken off B. taking off
C. to take off D. would take off
高二英语单项填空中等难度题查看答案及解析
The stewardess asked all the passengers on board to remain ________ as the plane was making a landing.
A.seating B.seated C.to be seating D.to seat
高二英语单项填空中等难度题查看答案及解析
The pilot asked all the passengers on board to remain _____ as the plane was making a landing.
A. seat B. seating C. seated D. to be seating
高二英语单项填空中等难度题查看答案及解析
The pilot asked all the passengers on board to remain______ as the plane was making a landing.
A．seat B．seating C．seated D．to be seating
高二英语单项填空中等难度题查看答案及解析
The pilot asked all the passengers on board to remain ______ as the plane was making a landing.
A．seat B．seating C．seated D．to be seating
高二英语单项填空中等难度题查看答案及解析
The pilot asked all the passengers on board to remain ______ as the plane was making a landing.
A. seated B. seating C. seat D. to be seating
高二英语单项填空中等难度题查看答案及解析
The pilot asked all the passengers on board to remain________as the plane was making a landing.
A.seat B.seating
C.seated D.to be seating
高二英语单项填空简单题查看答案及解析
The pilot asked all the passengers on board to remain __________ as the plane was making a landing．
A． seat B． seating C． seated D． to be seating
高二英语单项填空中等难度题查看答案及解析