What's that girl holding the stick supposed to be doing?
等同于What's that girl who is holding the stick supposed to be doing? 主句是What's that girl supposed to be doing? holding the stick 是现在分词作定语来修饰名词.
判断这类主从句一定要先拎出主句,再分析从句是修饰什么词,充当什么成分.这样学习,此类问题就迎刃而解.
What's that girl holding the stick supposed to be doing?
等同于What's that girl who is holding the stick supposed to be doing? 主句是What's that girl supposed to be doing? holding the stick 是现在分词作定语来修饰名词.
判断这类主从句一定要先拎出主句,再分析从句是修饰什么词,充当什么成分.这样学习,此类问题就迎刃而解.