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        1. 【題目】It __________ 70 years since the People's Republic of China was founded in 1949.

          A.isB.wasC.has gone

          【答案】A

          【解析】

          句意:自從中華人民共和國在1949年成立已有七十年了。

          考查動詞時態(tài)。A. is一般現(xiàn)在時;B. was一般過去時;C. has gone現(xiàn)在完成時。根據(jù)句意可知,本句句型為It is/has+時間段+since+一般過去時的句子,意為“自從……已經(jīng)有多長時間了”,故選A。

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