－Miss Jones once _________ music at a local college for ten years and now is an actress.－No wonder I often hear her sing some pop songs.

(2009年合肥市高三第一次教学质量检测)When you finish your work，don’t forget to put the tools back where they      ．

 ---- Look! How wonderful my car is! Oh, Jack. What are you thinking about? Don’t you like it?---- I’m sorry I ______ any remark about it in time. I certainly think it’s smart.

—Did you see a man in black pass by just now? —No, sir. I ________ a newspaper. 

(2013·宁夏银川一中高三第四次考试)Siberian Tigers ________ and killed at such a speed that they will disappear from the earth in the near future.