1.　　　　 Chocolate cake is my favorite. (改为一般疑问句)

10. We 　　　　(be) soldiers since we were 18 years old.

9. It took Sam a year 　　　　(learn) the rules of the game.

8. The sixth Harry Potter 　　　　　(come) out in August 2005.

7.　　　　　　　　　　　　　 (write) poems and stories is Tom’s favourite hobby.

6. My uncle always 　　　　(enjoy) playing tennis at weekends.

5. Now the 　　　　　(listen) choose the 　　　　(good) singers or 　　　　(music).

4. ---Whose birthday is today? ---　　　　 . (John)

3. I think dancing is 　　　　(interest).

2. He 　　　　(collect) a lot of coins from the countryside last week.