4. I started collecting shells in 2001. I started collecting shells when I was ten. I have been collecting shells for 5 years. I have been collecting shells since 2001. I have been collecting shells since I was ten.

6. He started collecting stamps in 1998. He started collecting when he was seven. He has been collecting for eight years. He have been collecting stamps since 1998.. He has been collecting since he was seven.

8. We started collecting coins two years ago. We started collecting when we were thirteen. We have been collecting for two years. We have been collecting coins since 2004. We have been collecting since we were 13.

10. Bob started collecting kites in 2001. Bob started collecting kites at the age of ten. Bob has been collecting kites for five years. Bob has been collecting kites since 2001. Bob has been collecting kites since he was ten.

12. Liam started collecting tickets last year. Liam started collecting tickets when she was 14. Liam has been collecting tickets for a year. Liam has been collecting since last year. Liam has been collecting since she was fourteen.

13. I collect coins.I would like to collect kites. I collect stuffed animals.I would like to collect tickets. I collect snow globes. ( 水晶球 ) I would like to collect shells.

14. twenty-two stuffed animalsfor five yearsthirty-five movie ticketssince last year twenty

15. … … who collects them ( 收集水晶球的 … … )

16. Look at activity 2a on page 47. Write an e-mail message from Bob, Marcia or Liam. Tell about his or her collection. for five years. I have been collecting kites since I was ten years old. I have twenty two kites so far ( 到 目前为止 ). I usually fly them in the park when it’s windy. By the way, do you collect kites? Bob What kinds of kites do you have ?

17. a pair of skates 一双溜冰鞋 raise money for charity 慈善筹款 the first one to do sth. 第一个做某事的 the whole five hours 整整5个小时 be interested in 对…… 感兴趣 thanks / thank sb for doing sth. 感谢某人做某事 each student ( 个性 ) = every student ( 共性 ) three and a half years = three years and a half one and a half hours = an hour and a half would like to do sth = want to do sth in fact 事实上 run out of 用完 on one‘s + 序数词 birthday 在某人……岁生日 store something 储存，收藏。收集某物 for ( after ) two years 两年( 后 ) two years ago 两年前 start a club 创建俱乐部 start playing tennis 开始打网球 anyone else 其 其他任何人 what else 他什么

19. been listening to music videos since I … …. I have been watching English movies for two years. I have been watching sports since I … …. I have been writing in English for five years. I really hope I can get the job. I’ll work hard and I believe I can do it well.

20. raise know collecting ran out of store