题目

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 答案：D 解析: 本题考查it作形式宾语，代替to look after all the other people’s affairs in that town，其他选项均不可以充当形式宾语。

查看本题答案和解析