Module 5 Unit 2 They were young.习题 2一、选择题。1. They _____ old then.A. was B. were C. are2. They ____ young now.A. was B. were C. are3. Her hair _____ short then.A. was B. are C. were二、英翻汉。1. clean __________________2. dirty __________________3. then __________________4. young...