55. Do you by any chance know... 你（碰巧）知道……吗？
Do you by any chance know why he wasn't at school yesterday?
你知道他昨天为什么没来学校吗？
Do you by any chance know if there is a meeting this afternoon?
你知道今天下午要开会吗？
Do you by any chance know how to say this word in French?
你也许知道这个单词用法语怎么说吧？
