问题描述:
1:My brother is reading an e-mail._____________ 划线部分提问
2:为什么What are you doing ,Li Yan?"you"前是“are” 而不是“is”
划线地方是:reading an e-mail
2:为什么What are you doing ,Li Yan?"you"前是“are” 而不是“is”
划线地方是:reading an e-mail
问题解答:
我来补答展开全文阅读