what on earth happened?和what happened on earth?哪个对?

what on earth happened?和what happened on earth?哪个对? 到底发生了什么 what the hell has happened?what on earth has happene what happened on 英语翻译What on earth. what on earth! what on the earth? WHAT ON EARTH怎么样 what on earth? what happened和what is going on 的区别 What's love on earth? what are there on earth what on earth are you?