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英语
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he_asleep when there_aloud knock at the door. A was just falling ;was D just fell;was
请问为什么不能选D .语法没错吧?谢谢了帮我解决下
人气：459 ℃ 时间：2019-10-11 17:15:49
解答
when 前面表示的是一个睡着的状态 属于时间段 如选D fell asleep 则是一个瞬间动词,应该用现在进行时表示一个状态
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