Attention, please! All the mobile phones must______ before the meeting starts.
A.turn off B.be turned off C.be turning off
1、B 手機(jī)被關(guān)掉要用被動(dòng)語態(tài)。故選B。
科目:初中英語 來源: 題型:
Attention, please! All the mobile phones must______ before the meeting starts.
A.turn off B.be turned off C.be turning off
科目:初中英語 來源:2008年福建省廈門市初中畢業(yè)升學(xué)統(tǒng)一考試、英語試卷 題型:023
Attention, please!All the mobile phones must ________ before the meeting starts.
A.turn off
B.be turned off
C.be turning off
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