第四课时 Section B (1a1d) 一、用方框中所给单词的适当形式填空。 1 There is a(n) _ glass bottle on the road. Everyone should be careful. 2 Our teacher used some _ to draw a map on the blackboard. 3 Among the four_, I like autumn best. 4 Qingdao is a city which lies on the eastern _ of China. 5 My hometown is in the _ part of China. empty chalk seasons coast northern 二、单项选择。 ( )6.Mario, your mobile phone is ringing. Wait a minute. Its dangerous for us _ it while crossing the street. A answer B answering C to answer D an