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    (   ) 8.—It       ten years since we     last time.

         —Yes. How time flies！ 

    A. was; meet B- was; met 

    C. has been;met D. is;meet

    8. C It is/has been +时间段+ since弓|导的一般过去时的从句，意为"自…… 以来巳有多久了。"

    题目来源：仁爱英语同步练习册九年级上册下册合订本 > Topic2 I'm excited about the things that will be discovered in the future.

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