Mainly: Britain, the United States, Australia, New Zealand, Canada and some African countries, which were all British colonies before, such as Cameroon, Ghana and Nigeria. English is also Singapore's first language in Asia.

Click on the blue word to receive one-on-one free audition class for real foreign teachers in Europe and America for free!

After the audition, you can also get free English proficiency test and detailed report, as well as free public classes. Acaso is a brand endorsed by David and his wife. Both of them are European and American teachers, and their pronunciation is very standard. With high cost performance, each class does not exceed that of 20 yuan.

I hope I can help you!

If you want to find a suitable English training institution, you can search Baidu for "Teacher vivi of acaso".

Baidu search "acaso official website Forum" to get the most complete English resources for free.