1. 用for或since改写下列句子。

1. （1） His grandfather died in 2003.

   His grandfather 2003.

3. （2） I bought a nice skirt yesterday.

   I a nice skirt one day.

5. （3） She borrowed the book two weeks ago.

   She the book two weeks.

7. （4） He left his hometown in 2006.

   He his hometown 6 years ago.

9. （5） We came to Shanghai in 2004.

   We Shanghai 8 years.