Twelve students in our class __ __ __take part in the summer camp last year.去年,我们班的十二个学生被选中去参加了夏令营.(中译英)

问题描述:

Twelve students in our class __ __ __take part in the summer camp last year.去年,我们班的十二个学生被选中去参加了夏令营.(中译英)

were chosed to