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

问题描述:

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?

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...