Practice materials for listening, grammar and word usage are available in the study materials section of this course.

练习的资料包括听力、文法和字汇练习可以在研习资料部分取得。

youdao

Practice materials for listening, grammar and word usage are available in the study materials section of this course.

练习的资料包括听力、文法和字汇练习可以在研习资料部分取得。

youdao