I wish that you ____ such a bad headache because I am sure that you would have enjoyed the concert. 【答案】选hadn't had; 【释义】真希望你那个时候没患头疼,那样你就能享受那场音乐会了。 【解析】wish从句后使用对过去发生的事的虚拟,即had done; 然而, have a headache 患头疼病,所以应为hadn't had a headache 满意请采纳哦 O(∩_∩)O~