Unit 3 Language in use导学目标：1. 掌握情态动词 must, can, could 表推测。2. 掌握祈使句的用法。自主预习：一、根据句意及首字母补全单词1. K_________ money in a safe place.2. We played basketball i_________ because it rained.3. I'll hear a footstep on the s__________.4. Earthquake is very c_________...
