David was too tired,he()on the floor and fell asleep

4个回答

  • 正确答案:填lay

    即;David was too tired,he ( lay ) on the floor and fell asleep.

    翻译:大卫太累了,他躺在地板上睡着了.

    解析:lie 的过去式有两种,规则撒谎,不规则躺.

    所以应该选lay,是lie 的过去式不规则变化.

    laid,lain 分别是当lay 作下蛋,产卵时的过去式和过去分词.

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