• 2022-06-06
    He might not have been killed in the traffic accident yesterday if he (fasten)____the seat belt.
  • had fastened

    内容

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      ‌Fasten the seat belt while the Fasten Seat Belt Sign is on.( )‏

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      ‌Fasten the seat belt while the Fasten Seat Belt Sign is on.​

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      ‌Fasten the seat belt while the Fasten Seat Belt Sign is on.‎

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      Fasten the seat belt while the Fasten Seat Belt Sign is on.

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      We have met with some turbulence. Please return to your seat and fasten your seat belt.