听前提示一、一段对话为四句，将分成两句为一小节。二、每小节两遍英文，最后一遍英文一边中文。三、根据中英文意思，听不懂的可以多听几遍。原文Conversation 36A:May I speak to John?我可以和约翰说话吗？B:Sorry, he is out now.不好意思，他出去了。A: Do you know when he'll be back?你知道他什么时候回来吗？B:He'll be back in about 20 minutes.他大约20分钟后回来。Conversation 37A:How hot this room is!这个房间好热！B:It's not really that hot for me.对我来说没那么热。A: Do you mind if I open the window?你介意我打开窗户吗？B:Sure. Make yourself comfortable.没关系。请随意。Conversation 38A: Do you mind waiting for 30 minutes?您可以稍等30分钟吗？B:Okay, no problem. I will be back.好的，没问题。我稍候回来。A:Thank you for your patience.感谢您的耐心等候。B: No problem. I'll see you in 30 minutes.不客气。30分钟后见。Conversation 39A:Hi! What's new?嗨！最近有什么新消息吗？B:Nothing special. What about you?没什么特别的。你呢?A: I have had quite an exciting time, I bought a new car.我最近过得还不错，买了一辆新车。B:That is wonderful, I hope you have many miles of happy driving in it.那太好了，我希望你开得开心。Conversation 40A:Where are you going?你去哪儿？B: To the dentist.去看牙医。A:Oh, really? Do you have cavities?噢，真的吗？你有蛀牙吗？B:Probably. I've had a toothache since last night.可能吧。从昨晚开始牙一直痛。