Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that best completes each of the following exchanges.

Câu hỏi

John is talking to a cashier at the checkout counter of the supermarket.
Cashier: “All right. Keep your receipt. If something comes up, you can show it to us and you can get a
refund.”
John: “________”

A. Thanks. I’ll put it in a safe place

B. Thank you. I’ll keep it for you.

C. OK, I won’t use it,

D. You’re welcome. See you.

John is talking to a cashier at the checkout counter of the supermarket.Cashier: “All right. Keep your receipt. If something comes up, you can show it to us and you can get arefund.”John: “________”