It was after repeated negotiations that we______the transaction at last.
A. did
B. come to
C. made
D. concluded
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The quality of goods must be in strict accordance______the stated samples.
A. at
B. on
C. with
D. to
We are our enclosing our Purchase Confirmation No. 201058______ for your signature.
A. on duplicate
B. in duplicate
C. for duplicate
D. to duplicate
欧阳修在诗歌、词和散文方面都取得了重大的成就。()。
A. 对
B. 错