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    Just as we wanted to turn off the lights and go to sleep, there was a sudden knock on the door. We were ▲ to turn off the lights and go to sleep ▲ there was a sudden knock on the door. 【查看更多】

     

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    Just as we wanted to turn off the lights and go to sleep, there was a sudden knock on the door.

           We were    ▲    to turn off the lights and go to sleep    ▲    there was a sudden knock on the door. 

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