He was too tired and fell asleep with a book open on his knee.A．layingB．lying_刷题宝

题干

He was too tired and fell asleep with a book open on his knee.

A．laying

B．lying

C．laid

D．lain

上一题下一题 0.85难度单项选择更新时间:2010-07-23 07:48:57

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