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

题目

David was too tired,he()on the floor and fell asleep
lied laid lain lay
选哪个能说明下么

答案

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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