have been done 是现在完成时.找零发生在离开商店的前面.
顾客被要求在他们确定正确找零后,离开商店.
Customers are asked to make sure that they ______ the right change before leaving the shop.
Customers are asked to make sure that they ______ the right change before leaving the shop.
Customers are asked to make sure that they ______ the right change before leaving the shop.
A.will give B.have been given C.have given D.will be given 为什么?顺便再翻译一下.
Customers are asked to make sure that they ______ the right change before leaving the shop.
A.will give B.have been given C.have given D.will be given 为什么?顺便再翻译一下.
英语人气：501 ℃时间：2020-04-27 03:14:02
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