[单项选择题] We are glad to receive your telegraphic order of May 6 ______ regret that we can- not supply the goods ______ the end of May.
A.but, by
B.and, by
C.but, for
D.and, for
正确答案:A

[单项选择题] We are glad to receive your telegraphic order of May 6 ______ regret that we can- not supply the goods ______ the end of May.
A.but, by
B.and, by
C.but, for
D.and, for
正确答案:A