她把小学生组成一对来做问答练习。

She paired the pupils in question and answer drills.

youdao

现在让我们做另一种练习- - -问答练习。

Now lets try another type of exercise — asking and answering questions.

youdao

现在让我们做另一种练习- - -问答练习。

Now lets try another type of exercise — asking and answering questions.

youdao