我听说你们是来中国进行交换学习的加拿大高中学生代表团。

I hear that you are a Canadian high school students delegation who come to China to exchange learning.

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我听说你是一个加拿大高中学生代表团来中国学习交流。

I hear that you are a Canadian high school students delegation who come to China to exchange learning.

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卡格女士作为加拿大教育代表团成员，在2006年访问了北京的学校。

Mrs Coggles visited schools in Beijing in 2006 as part of a Canadian educational delegation.

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