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题目内容
（大学英语（1））
---Hello Grace, can I take a few minutes of your time?
---_______
A)
Sure， what can I do for you?
B)
I’m busy.
C)
Are you sure?
---_______
A)
Sure， what can I do for you?
B)
I’m busy.
C)
Are you sure?
参考答案
