2 . As teenagers grow, they have a __________ (tend) to become confused with the changing world both inside and outside of them. (所给词的适当形式填空)

3 . __________ (ploy) rate has risen sharply in recent years, which is a major cause of poverty. (所给词的适当形式填空)

4 . His experience in other parts of Europe help him to overcome various cultural __________. (障碍) (根据汉语提示单词拼写)

5 . Miss Smith is not only experienced in teaching, but has a strong sense of ___________(responsible). (所给词的适当形式填空)

6 . Parents made a c___________ (承诺) to us that they will always be there for us. (根据中英文提示单词拼写)

7 . He is a man of honor as well as a man of p ____________ (原则) to the library. (根据中英文提示单词拼写)

8 . Hemingway was one of the greatest ________ (小说家) in American history and wrote a lot of works. (根据汉语提示单词拼写)

9 . “________ (天才) is 1% inspiration and 99% persperation”, as Edison put it.(根据汉语提示单词拼写)

10 . He made an ________ (apologize) to me for being late this morning. (所给词的适当形式填空)