how's it going 如何回答

how's it going 如何回答 How's it going?回答：It's good /fine? 当别人和你说“hey,How's it going?”该如何回答? How's it going?如何回答?用Very well还是Pretty good为什么 -How's it going? How's it going? How’s it going? How"s it going in your school?怎么回答 How is it going last days?该如何回答? how is it going!回答：It's pleasure 还是It's great? how's it going/ how's everything? How's it going?求汉意!