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2.Steve used to play the piano.(改為一般疑問句)

      Steve       to play the piano?

1.He used to be short.(改為否定句)

He               to be short.

10. He gave up          (go) abroad because he wanted to look after his sick mother.

9.In the end,his teacher advised his parents        (talk) with their son in person.

8.It's important for parents               (know) more about their children.

7.In the last ten years they                (work) in that village.

6.A number of people        (go) to the park for a walk after supper and the number of them        (be) about 500.

5.She made a                (decide) to study hard at school.

4.My hometown           (change) a lot in the last few years.

3.       (hang) out with friends is almost impossi- ble for me now.