题目

Try as you, he won’t listen to your advice on the potential dangers of smoking. A. can              B. may              C. dare             D. will 答案：B。考查情态动词的用法。句意: 尽管你尽力了, 他是不会听吸烟潜在危害的忠告的。在让步状语从句中, 常用may/might, 故选B。conceited       A．gifted B．scared C．watched D．determined