glancing at the bits of wood and metal that lay around him

题目

glancing at the bits of wood and metal that lay around him
1.lay around him
2.glancing at 是动名词做主语吗?
it crashing into the courtyard below 为什么crashing加ing不加不可以吗？

答案

您的提问不是一个句子,而是句中的的一个成分（即一部分）.从互联网上搜索,得到全句：Glancing at the bits of wood and metal that lay around him,the man sadly picked up the mattress and carried it into his h...