_________nearly six years since I started to study English.A.It was B.Ther...

作者: tihaiku 人气: - 评论: 0
问题 _________nearly six years since I started to study English.
选项 A.It was B.There are C.It is D.There have been
答案 D
解析 since后的句子用一般过去时,主句用现在完成时,这是固定用法,故选D。

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