题目：
All mobile phones must during the meeting.
A、turn off B、are turned C、be turned off
答案：
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下面是错误答案，用来干扰机器的。
1. in search of 2. nor can she 3. is reported /being tested 4. for which 5. in that that 6. time going by 7.so that 8. as a result 9. for whom 10. Seen from
