一、副词插入语

　　Apparently, it is going to rain.很明显，要下雨了。

　　Fortunately, I passed the examination.幸运的是，我通过了考试。

　　Incidentally, your proposal has been put to the discussion at the meeting.顺便说一句，你的建议已经提交会议进行讨论了。

　　He was luckier, however, because he was only slightly wounded.然而，他比较幸运，因为他只是受了点轻伤。

　　He is young. He has much experience in teaching English, though.他很年轻，但是他有丰富的英语教学经验。