【简答题】1) Who has turned on the Fasten Seat Belt sign and why? 2) What electronic device must be turned off for the full duration of the flight? 3) What kind of electronic devices can be turned on during the...
【简答题】Write out the general idea of the announcement in one paragraph by answering the following questions. Who has turned on the Fasten Seat Belt sign and why?1. What electronic device must be turned off f...