题目内容
Customers are asked to make sure that they______ the right change (零钱) before leaving the shop.
| A.will give | B.will be given | C.have given | D.have been given |
D
考查时态。句意:在离开商店之前,要求顾客确信他们给找给了正确的零钱。结合语境可知下文描述的是某时前完成的动作,故用完成时态。They是动作对象,故用被动语态。选D。
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