Question

【题目】My sister Lucy and I ______ homework in the room now.
A.doing
B.are doing
C.do
D.does

Answer 1

【答案】B
【解析】句意：现在我和姐姐露西正在房间里做作业。根据now可知此处用现在进行时，主语My sister and I是复数形式，故谓语用复数形式are doing，故选B。