精选优质文档-倾情为你奉上英语2在线练习一、单选题 1. (1分)Id like to take _ of this opportunity to thank all of you for your efforts. A. profit B. benefit C. occasion D. advantage 答案 D 2. (1分)In copying this paper, be careful not to leave _ any words. A. out B. alone C. off D. behind 答案 A 3. (1分)When doing the wash, it is important to _ white and colored clothing. A. compare B. separate C. establish D. contrast 答案 B 4. (1分)We f