我想知道你的笔友是否已经回复你的电子邮件用英语怎么说
问题描述:
我想知道你的笔友是否已经回复你的电子邮件用英语怎么说
答
i want to know whether your penfriend has replied your e-mail.
答
I want to know that your penfriend has replied your e-mail or not.