4.　　　　 a roller coaster　 过山车

3.　　　　 a water park 水上公园

2.　　　　 an amusement park 游乐园

1.　　　　 have been to 到过某处

21.　 make friends with 和……交朋友

Unit 9　 Have you ever been to an amusement park?

20.　 take an interest in = be interested in 对……感兴趣

19.　 hear of　 听说

18.　 have fun with sth.　 做某事有乐趣

= have fun doing sth.

17.　 the Olympic Committee 奥委会

16.　 make progress　 取得进步