预警机有什么用?简单精简点说

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  • zhouyi85948206 zhouyi85948206

    1.the office was cleaned yesterday.
    2.the house was painted last month.
    3.three people were injured in the accident.
    4.my bicycle was stolen a few days ago.
    5.when was th** bridge built.
    6.were you invited to the party last week?7.how were these windows broken?8.i wasn’t woken up by the no**e.

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