Pair work: Step 1: Choose one situation in Part 4 of the 4 topics in Unit 10, and create a conversation together, see to it that each person speaks no fewer than 5 times. Step 2: Practice the conversation together to make sure that you can deliver fluently enough. Step 3: Record your performance of your conversation in voice, and upload the record. Note: Please let me know who your partner is at the end of your work.