高等继续教育 / 经贸英语
正确率：100%
题型描述: 单选题
Please let us know ＿＿＿＿ the lowest prices at which you can eｘecute this order, CIF Boston.
A.by return
B.in return
C.on return
D.in turn
Please let us know ＿＿＿＿ the lowest prices at which you can eｘecute this order, CIF Boston.
A.by return
B.in return
C.on return
D.in turn
参考答案：
佳题速递：