问题描述： What on earth do you need? 1个回答 分类：英语 2014-09-25 问题解答： 我来补答 on earth 做“究竟”意思时,on earth要放在一些疑问词如,when,what等的后面,e.g.What on earth are you doing here?What on earth do you want me to do?你到底要我干什么? 展开全文阅读
