英语：他在做什么？用英语怎么说 What is he doing？I 是第一人称用2113am。you 是第二人称用are。he/she/it都是第三人称，全都5261用is。所以是：What am I doing？What are you doing？What is he/she/it doing？另外所有的非人类的4102动1653物，物品之类的也都用is。但是如果第三人称是非复数，比如他们，她们，或一群动物，就要用are。所以是：What are they doing？What are those boys doing？What are these dogs doing？
“他在做什么”用英语怎么说？ whatelsedoeshedo？？手工翻译？尊重劳动？欢迎提问？感谢采纳？？
他在干什么？ 用英语怎么说 What is he doing？what is he busy with？What is he up to？
