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If this product does not give you complete satisfaction, please return it to the manufacturer, stating when it ________.
A.is purchasedB.will be purchased
C.purchasesD.has purchased
A
答案:A 考查时态和语态。句意:如果你对产品不完全满意,请退回给生产商,并注明购买的时间。purchase和it构成动宾关系,故应用被动语态。此处说的是一般性情况,故用一般现在时。
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