Unit 4 Part B 第二课时一、听录音,写单词。1. 2. 3. 4. 5. 6. 二、听录音,选出你听到的句子。1. A. The keys are on the fridge. B. The keys are on the sofa. C. The keys are on the table.2. A. Where is the black bag? B. Where are the black glasses? C. Where are the black bags?3. A. T...