Điền vào chỗ trống với since/for

Điền vào chỗ trống với since/for 1. She's lived here ___ 1975. 2. He's been in London ___ five days. 3. They haven't been used ___ many years. 4. She's been working ___ nine this morning. 5. I haven't eaten ___ hours. 6. It has been raining ___ ages. 7. India has been independant ___ 1947. 8. They have been married ___ October. 9. How many years is it ___ you graduated from junior high school? 10. We have been waiting ___ twenty minutes.