You have to take a placement test before you can register for a class (test fee THB 200) and buy a book (between THB 400 to 530).

你必须采取分级考试，然后才能注册为一个类(测试费200泰铢)，买了书(介乎400至530泰铢)。

youdao

You have to take a placement test before you can register for a class (test fee THB 200) and buy a book (between THB 400 to 530).

你必须采取分级考试，然后才能注册为一个类(测试费200泰铢)，买了书(介乎400至530泰铢)。

youdao