What is he/she doing? 问答 — 英语选择题
题目
学校整理活动时，四位同学各做一件事：Ben正在擦窗户，Ella正在扫地，Jack正在擦桌子，Mia正在洗杯子。老师问：“What is Ben doing?” 哪个回答正确？ A. He is cleaning the window. B. She is cleaning the window. C. He is sweeping the floor. D. He is cleaning the desk.