我爸爸来信让我妈和我去海南看他，可我想参加一个英语中级班。

My father wrote to me and asked my mother and I to see him in Hainan this summer, but I want to attend the intermediate class for English in my holiday.

youdao

我们在白天、晚上和周末都开设英语课，分初级班、中级班和高级班。

There are classes during the day, in the evening, and on weekends-for beginning, intermediate, and advanced students.

youdao