We must try best to make our city more beautiful.A. ourB. oursC. weD. us

问题补充：

We must try best to make our city more beautiful.

A. our

B. ours

C. we

D. us

答案：

(答案→)A. our

B. ours

C. we

D. us

解析：句意，我们必须尽自己最大的努力把我们的城市变的更美丽。此题考查的句型结构是try one’s best to do sth.