问题描述：
为什么?我选的是c
To save class time,our teacher has _____students do half of the exercise in class and complete the other half for homework.
a.us b.we c.our d.ours
our students 为什么不行
To save class time,our teacher has _____students do half of the exercise in class and complete the other half for homework.
a.us b.we c.our d.ours
our students 为什么不行
问题解答：
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