题目内容
【题目】Yesterday my parents and I _________ our house. ( )
A.are cleaningB.cleanedC.are going to clean
【答案】B
【解析】
略
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题目内容
【题目】Yesterday my parents and I _________ our house. ( )
A.are cleaningB.cleanedC.are going to clean
【答案】B
【解析】
略