北大绿卡八年级英语上册 Unit 1 Where did you go on vacation（第2课时）Section A（3a3c）课堂练习 （新版）人教新目标版

Where did you go on vacation（时间25分钟，满分30分）一、单项选择题(10分)1．It is ____ useful book. ____ book is on her