国家开放大学 / 综合英语（1）
—Let me help you get the books back.
—
a.Yes. I can get them myself.
b.I’m all set. But thanks anyway.
c.Really? Could you tell me why?
—
a.Yes. I can get them myself.
b.I’m all set. But thanks anyway.
c.Really? Could you tell me why?
参考答案：
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