问题
选择题
He fell asleep with a book ___________ open on his knees.
A．lay
B．laying
C．laid
D．lying
答案
答案：D
题目分析：句意：他睡着了，一本打开的书放在膝盖上。本题选D，现在分词短语做伴随状语。
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He fell asleep with a book ___________ open on his knees.
A．lay
B．laying
C．laid
D．lying
答案：D
题目分析：句意：他睡着了，一本打开的书放在膝盖上。本题选D，现在分词短语做伴随状语。