To save class time our teachers has students do half of the exercise in class and comple

问题补充：

To save class time, our teachers has students do half of the exercise in class and complete the other half for our homework.

A. us

B. we

C. our

D. ours

答案：

(答案→)A. us

B. we

C. our

D. ours

解析：students是us的同位语,都作has的宾语。