大学英语四级
单选题A If you want to return or exchange your purchase, you should do that as soon as possible.B Under any circumstances, you can exchange what you’ve bought.C Sometimes things on sale are not allowed to be exchanged.D While you are exchanging something, yo
题目
单选题
A
If you want to return or exchange your purchase, you should do that as soon as possible.
B
Under any circumstances, you can exchange what you’ve bought.
C
Sometimes things on sale are not allowed to be exchanged.
D
While you are exchanging something, you should bring the receipt with you.
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