问题补充:
To save class time,our teacher hasstudents 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:have sb. do sth.意为“让某人做某事”,所以has后用宾格us。students是us的同位语,都作has的宾语。