高等继续教育 / 经贸英语
正确率：100%
题型描述: 单选题
We thank you very much for your L/C and shipping instructions ＿＿＿＿ your trial orders.
A.being covered
B.covers
C.covering
D.to be covered
We thank you very much for your L/C and shipping instructions ＿＿＿＿ your trial orders.
A.being covered
B.covers
C.covering
D.to be covered
参考答案：
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