问题
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
答案
参考答案：A
搜题请搜索小程序“爱下问搜题”