1. 我们可能会错过与陌生人交流的快乐。
2. 打破沉默/打破僵局/开始说话。
3. to continue /for continuing
4. ( I/We can/usually talk about) his/her (last) holiday; A holiday/Holidays.
5. How to start/begin a conversation with a stranger/How to break the ice ( with strangers). How do people start/begin a conversation? /How do people break the ice( with strangers) ?(答案不唯一)