题目内容
【题目】Before I _______ bad at maths, now I work hard and I _______ good at maths. ( )
A.am, wasB.was, amC.was, were
【答案】B
【解析】
略
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题目内容
【题目】Before I _______ bad at maths, now I work hard and I _______ good at maths. ( )
A.am, wasB.was, amC.was, were
【答案】B
【解析】
略