Unit 11 How was your school trip,Section B 第4课时(2a-3c,exciting adj. 使人兴奋的 令人激动的,lovely adj. 可爱的,expensive adj. 昂贵的,cheap adj. 廉价的；便宜的,slow adj. 缓慢的；迟缓的,fast adj. 快的,robot n. 机器人,guide n. 导游；向导,2a Do the following words describe good things or bad things? Put a for good and an for bad. Leave a blank if they can mean both,_ interesting _ difficult _ lovely _ slow _ exciting _ boring _ cool _ hot _ lucky _ large _ expensive _ terrible _ delicious _ great _ cheap _ fa
