简介： 笔试部分 一. 单项选择(15分) 16.－＿this his book? －No, it isn't. A.Am B.Does C. Is D.Are 17.Bob and Tom are good _______. A.brother B.friends C.friend D.sister 18. －_______? －He is my brother21世纪教育网 A.Who's he B.Is he your brother. C.Is he your frien...