Unit 2 In the library 习题一、根据上下文提示完成对话（填序号）。 A. ball B. What C. afternoon D. blackboard E. color F. blackA: Good _________.B: Good afternoon.A: Look at the _________._________ is this?B: It’s _________.A: What _________is it?B: It’s _________.二、将下列句子排序成一段完整的...
