When I was a young girl,all( ) I wanted to do was to fly to Beijing.括号里要填什么?

问题描述:

When I was a young girl,all( ) I wanted to do was to fly to Beijing.括号里要填什么?
不要只说答案,说出为什么

that
that 引导定语从句,修饰all.因为all 是不定代词,引导词只能用that
当我还是个小女孩的时候,我所有想做的事就是飞到北京.
希望我的回答能够帮到你,