We are glad to receive your order of yesterday,_______ regret that we can not supply the end of May.
A.but, by B.and,by C.but, for D.and,for正确答案A
We are glad to receive your order of yesterday,_______ regret that we can not supply the end of May.
A.but, by B.and,by C.but, for D.and,for正确答案A
