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题目内容
（国家开放大学-理工英语3）
— How long is this cell phone guaranteed?
— ______
单选题 (10 分) 10分
A.
No problem.
B.
You can refund it in 7 days and exchange it in one year.
C.
Don.t mention it.
— ______
单选题 (10 分) 10分
A.
No problem.
B.
You can refund it in 7 days and exchange it in one year.
C.
Don.t mention it.
参考答案
