2. 外语
  3. All mobile phones must be turned off from when the aircraft doors are closed ______ the doors open again on arrival.

All mobile phones must be turned off from when the aircraft doors are closed ______ the doors open again on arrival.

admin2022-10-20  46
问题 All mobile phones must be turned off from when the aircraft doors  are closed  ______ the doors open again on arrival.
选项 A、until
B、unless
C、before
D、when
答案A
解析 词汇题。until意为“在……之前”；unless意为“除非”；before意为“在……之前”；when意为“当……时候”。本题中，空格处有“直到”的含义，只有until符合题意。故选A。
转载请注明原文地址:https://kaotiyun.com/show/8LZd777K
本试题收录于： 托业阅读题库托业（TOEIC）分类
0

托业阅读

托业（TOEIC）

相关试题推荐
随机试题
最新回复(0)