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.