Students practice in groups of four.
学生四人一组练习。
工作中，四个人一组。
Discuss in groups of four and finish the experiment report.
小组讨论并完成实验报告。
You should work together on the assignments in groups of four.
作业必须由四人一组来合作完成。
The Tuareg live in groups of four or five families. Everybody helps each other.
图阿列格人一般都是四五个家庭住在一起，大家互相帮助。
Work in groups of four and describe your favorite artist according to the models.
四人小组活动，描述自己喜欢的艺术家。
Ask the students to make an investigation about their future plans in groups of four.
通过小组调查活动操练本课重点句型。
In each class, forty pupils are divided into four groups of ten.
每个班四十名学生被分成四组，每组十人。
In each class, forty pupils are divided into four groups of ten.
每个班四十名学生被分成四组，每组十人。
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