According to the air traffic rules, you should off your mobile phone beforeboarding.A. c

发布时间：2020-08-16 15:07:05

According to the air traffic rules, you should      off your mobile phone before
boarding.
A. cut
B. put
C. call
D. switch

网友回答

A. cut
B. put
C. call
(答案→)D. switch
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