has been translated into thirty languages since it ------on the market in 1973 A.before B.the book
the book has been translated into thirty languages since it ------on the market in 1973
A.had come B.has come C.came D.comes
人气：425 ℃ 时间：2019-10-18 03:09:03
解答
选C the book has been translated into thirty languages 是现在完成时的被动语态,但是后面since it ------on the market in 1973中注意时间in 1973用一般过去时所以选C
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