问题补充:
He felt duty to work for human rights and progress.
A. it his
B. his
C. that is a
D. it is his
答案:
(答案→)A. it his
B. his
C. that is a
D. it is his
解析:句意:他感觉为人权和进步而斗争是他的职责所在。这里是feel it +宾补+to do,it在这里是形式宾语,to work for human rights and progress.是真正的宾语,duty是宾补,that没有这种用法,故选A。