Question

【英语选择题】（答案已给出) 只求大家讲一下，谢谢！！！！+++++++++++

1,—silly me! l forget what my luggage looks like.
—what do you think of ( D ) over there?
A the one B this C it D that
2,To save class time , our teacher has ( A ) students do half of the exercise in class and complete the otherhalf for homework.
A us B we C our D ours

只求大家详细的讲一下，谢谢！！！~~~~+++++++++
第一题我觉得A也对啊，为什么不行呢？
第二题ours和us都可以啊？为什么不选ours呢？

Answer 1

2 us和students是同位语，这里用的句型是has sb do sth (让某人做某事），所以不能选C,只能选A