We feel our duty to make our country a better place.A. itB. thisC. thatD. one

问题补充：

We feel our duty to make our country a better place.

A. it

B. this

C. that

D. one

答案：

(答案→)A. it

B. this

C. that

D. one

解析： feel的宾语是to make our country a better place，所以要用it作形式宾语放在feel后面。选A。