The students in our class come from different _________（country）.country要不要加复数啊

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• 1.Our class ------- --------- ------------ ----------（由……组成）the students from different parts of the country.
• The students in our class come from different _________（country）.country要不要加复数啊
• The students in our class come from different _________（country）.country要不要加复数啊
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