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英语
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15、 It _____ ten years since he left the army .A.is B.has C.will D.was
选哪项,为什么
人气:419 ℃ 时间:2019-10-23 03:38:50
解答
本题选A
首先ten years表示时间概念,用单数
虽然有since(完成时标志),但是只能是has been,只有has不可以.
而且这是个固定句型,it is / has been +时间+since+一般过去时,“自从.以来已经多长时间了”的意思
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