Who else wet there with you?What on earth are you doing?

Who else wet there with you?What on earth are you doing? what on earth are you? who are you on earth什么意思 What are you doing there? what are there on earth i know who you are,but what are you doing What are you doing 跟 What are you working on? what are you doing to do there? “What are you doing out there in the backyard with your guit what are you doing. what you are doing what are you doing