32．Customers are asked to make sure that they the right change before leaving the shop.A.

问题补充：

32．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

答案：

A. will give

(答案→)B. have been given

C. have given

D. will be given

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