– I was going to the concert with you his weekend but I can’t now ．A. Good luckB. Bad

问题补充：

– I was going to the concert with you his weekend, but I can’t now．

-- ．

A. Good luck

B. Bad luck

C. You’re welcome

D. That’s right

答案：

A. Good luck

(答案→)B. Bad luck

C. You’re welcome

D. That’s right

解析：考察交际用语,四个选项分别表示祝你好运、运气不好真倒霉、不客气和那是对的。根据题意这个周末本打算和你一起去听音乐会，但是现在不能了.——真倒霉。选B。