为了记住旧单词，学习巩固新单词，学生们已经完成了一些相关的作业。

The students have been completing a lot of worksheets to help them remember the old words and learn new words.

youdao

为了记住旧单词，学习巩固新单词，学生们已经完成了一些相关的作业。

The students have been completing a lot of worksheets to help them remember the old words and learn new words.

youdao