AsthebusiestwomaninNorton,shemade

问题详情：

 As the busiest woman in Norton, she made ______ her duty to look after all the other people's affairs in that town.

     A. this            B. that            C. one           D. it         

【回答】

解析：

D．作形式宾语

知识点：代词

题型：选择题