这本书每章末尾都有练习题。

The book has ___exercises at the end of every chapter.

这本新教科书包含了中学所有必要的练习题。

This new textbook contains all the necessary ___exercises for secondary school.

请完成第10页上的语法练习题作为家庭作业。

For homework, please complete the grammar ___exercises on page 10.