Question

5. 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

Answer 1

5. D

5. D解析:it在此作形式宾语，后面的不 定式短语to look after...是真正的宾语， her duty是宾语补足语。