HSK 1
Wǒmen yào duō liànxí shuō Zhōngwén.
We should practice speaking Chinese more.
HSK 1
Qǐng zuò dì-sān kè de liànxí.
Please do the exercises for Lesson 3.
HSK 3
Zhè běn shū hòumiàn yǒu hěnduō liànxí.
There are many exercises at the back of this book.