27. Zhejiang is an _____ (东) province in China and Jiangsu is on the west of Zhejiang.

26. We breathe the _____ (污染过的) air every day because there are many chemical factories, so the air in Taizhou is very bad.

25. The _____(消失) of the dinosaurs is still a puzzle that scientists haven’t solved.

24. He was ____ (深) moved to tears by the film “Titanic”, though he seldom cried.

23. Three fourth plus two thirds is _____. (用分数形式表示答案)

22. –Who was the _____ (发现) of America?　 -Columbus was.

21. What’s your _____ (高)? =How tall are you?

29.______________________　　　　　　　　　　 30._________________________

27.______________________　　　　　　　　　　 28._________________________

25.______________________　　　　　　　　　　 26._________________________