---We'velivedhere______1980.---Soyou'velivedhere_____abouttwenty

发布时间：2020-08-07 01:46:56

---We've lived here ______ 1980.---So you've lived here _____ about twenty years.A.since; forB.for; sinceC.for; forD.since; since

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A解析考查since与for的区别。
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