题目

128. ______ is what she wants to know. a. Who to do it b. Whom to do it c. Who does it do d. Whom d
128. ______ is what she wants to know.
a. Who to do it b. Whom to do it
c. Who does it do d. Whom doing it
请解释其他几个选项为什么错了

提问时间：2020-06-13

答案

A
who+动词不定式作主语.
句意是：
她想知道谁会做这件事情.(谁将做这件事情正是她想要知道的.)