题目内容
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 |
D
试题分析:句意:现在八点了,我妈妈正在读书,我和妹妹在做作业。my sisterand I 是两个人,be 动词用are,do one’s homework中的one’s根据主语进行变化,故选D。
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