for和since练习.doc

1. I have lived here ______ more than twenty years.
2. I have lived here ______ I was born.
3. My aunt has worked in a clinic ______ 1949.
4. Some new oilfields have been opened up __ 1976.
5. I have known Xiao Li ____ she was a little girl.
6. My brother has been in the Youth League ____ two years.
7. I have not heard from my uncle _____a long time.
8. I worked here _____ more than twenty years.
9. I have worked here _____many years.
10. I have been here _____ two o'clock
11. We’ve been friends ____ our schooldays．
12. I have been here _____ last week
13. I’ve worked here _____ I left school．
14.  I have been here   ____ May.
15. I have been here ___ 1999.
16. I have been here __ January3,2001
17. I have been here
    ______ ten minutes.
18. I have been here  __five days.
19. I have been here____ about three weeks.
20.I have been here _almost six months.