【题目】There ___________a clock here 2 years ago. But there is one now. ( )
A.wasn't B.isn't C.weren't
【答案】A
【解析】
略
【题目】There ___________a clock here 2 years ago. But there is one now. ( )
A.wasn't B.isn't C.weren't
【答案】A
【解析】
略
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