Unit 2 In the library 习题一、选用方框内适当的句子，完成对话。 A. Look at the blackboard. B. What color?C. Would you like a hot dog?D. What’s this? E.I’m sorry1、----Don’t drink here. 2、----__________----__________ ----It’s an English book.3、----__________ 4、----__________----Yes，Mr Green....
