Question

【题目】It’s 8 o’clock. My mother is reading a book. My sister and I _____.

A. is doing my homework B. am doing my homework

C. is doing our homework D. are doing our homework

Answer 1

【答案】D

【解析】

试题分析：句意：现在是八点。我妈妈正在看一本书。我的妹妹和我在做作业。My sister and I作主语，谓语动词要用复数形式。do one’s homework做作业。所以选D。