He was doing hie homework when his father came yesterday was doing是不是谓语 his是定语 homework是宾语 when his father came yesterday 是时间状语吗但是yesterday可以放在句首喔 是修饰全句吗
问题描述：
He was doing hie homework when his father came yesterday was doing是不是谓语 his是定语 homework是
宾语 when his father came yesterday 是时间状语吗但是yesterday可以放在句首喔 是修饰全句吗
答