以下是一些免费的外教介绍网站供您参考:
1. iTutorGroup:https://www.itutorgroup.com/2. VIPKID:https://www.vipkid.com/3. Teach Away:https://www.teachaway.com/4. EF Education First:https://www.ef.com/5. Teachlingo:https://teachlingo.com/请注意,这些网站可能会根据地区和要求有所不同。建议您根据自己的具体需求进行筛选。