Students can discuss in groups of four,and then write three or four pieces advice for a boy .这句话对吗?有语法错误吗?

问题描述:

Students can discuss in groups of four,and then write three or four pieces advice for a boy .
这句话对吗?有语法错误吗?

pieces 后面加of

pieces of advice

pieces后加of,

学生们可以讨论4人一组,然后写三或四件建议要一个男孩。

Students can discuss the problem (或者it/them) in groups of four,and then write down three or four pieces of advice for the boy.

write down
pieces of

pieces of advice
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