问题描述：
[单选]
We would like to take this（）to establish business relations with you．
A．open
B．opportunity
C．step
D．advance
参考答案：查看无
答案解析：无
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答案解析：无
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上一篇：We thank you for your letter of May 17 and the（）catalogue．
下一篇：We would（）very much if you send us some samples immediately．
- 我要回答: 网友(216.73.216.197)
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