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Kate and Xiao Wang haven’t seen each other for six years.
It ________ ________ six years ________ Kate and Xiao Wang last saw each other.
答案:has been,since
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题目内容
句型转换
Kate and Xiao Wang haven’t seen each other for six years.
It ________ ________ six years ________ Kate and Xiao Wang last saw each other.