I. Complete the sentences. Put for or since into each gap.
1. It has been raining _____ lunch time.
2. My boss will go away ______ the next ten days.
3. I’m staying in England ______ a year.
4. She has lived in London ______ 1985.
5. Please hurry up! We have been waiting _____ an hour.
6. I have known her _______ January.
7. Nam’s father has worked in this company ____ 20 years.
8. Have you learned English _____ a long time?
9. I haven’t seen Tom _____ Monday.
10. The house is very dirty. We haven’t cleaned it ___ ages.
11. She has been sick _____ Wednesday.
12. John has worked in that firm _____ six years.
13. He has been in the hospital _____ almost a month.
14. They haven’t sent him any money ____ last summer.
15. She has not eaten anything ____ two days.
16. They have been friends ______ high school.
17. They have lived with her parents ___ they were married.
18. We’ve lived here _____ 1999.
19. I haven’t seen Linh _____ my birthday party.
20. That building has been there _____ the 19th century.
21. My brother works for a company called FPT. He has worked for them _____ he graduated from university.
22. My sister has been a student _____ two years.
23. She’s been away _____ five days.
24. We’ve already waited _____ a year.
25. I haven’t seen him _____ he left home.