And most of them were busy reading book.这个地方were busy 可以修饰reading book吗?为什么?
问题描述：
And most of them were busy reading book.这个地方were busy 可以修饰reading book吗?为什么?
答
这个地方也不能理解为修饰关系.be busy doing sth 是一个固定句型!主要遇见be busy 后面肯定是doing 的形式.