III. Fill in the blanks with “since” or “for”: 
1. It has been raining ................................... lunchtime. 
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 ................................... we left school. 
10. The house is very dirty. We haven't cleaned it ................................... years. 
11. My sister has been a student ................................... two years. 
12. We've lived here ................................... 1990. 
13. I haven't seen Linh ................................... my birthday party. 
14. She has been away ................................... a year. 
15. We've already waited ................................... five days. 
16. They haven't had any rain ................................... very long time. 
17. That buildings has been there ................................... the 19th century. 
18. I have known them ................................... many years. 
19. They have only been there ................................... a few minutes. 
20. My brother works for a company called FPT. He has worked for them ................................... he  graduated from university. 

III. Fill in the blanks with “since” or “for”: 

1. It has been raining ................................... lunchtime. 

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 ................................... we left school. 

10. The house is very dirty. We haven't cleaned it ................................... years. 

11. My sister has been a student ................................... two years. 

12. We've lived here ................................... 1990. 

13. I haven't seen Linh ................................... my birthday party. 

14. She has been away ................................... a year. 

15. We've already waited ................................... five days. 

16. They haven't had any rain ................................... very long time. 

17. That buildings has been there ................................... the 19th century. 

18. I have known them ................................... many years. 

19. They have only been there ................................... a few minutes. 

20. My brother works for a company called FPT. He has worked for them ................................... he  graduated from university. 

Fill in the blank with “for” or “since”.

1. It has been raining ...................... lunchtime.

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 ...................... we left school.

10. The house is very dirty. We haven’t cleaned it ...................... years.

IV. 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.

Complete the sentences. Put for or since into each gap.

1. It has been raining ........................ lunchtime.

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. I have known her ................... Juanary.

6. Have you learned English ................................... along time?

7. I haven't seen Tom......................... we left school.

8. The house is very dirty. We haven't cleaned it ......................... ages.

Exercise 17: Complete the sentences. Put   FOR or SINCE  into each gap 
Ex: I have known her FOR three months.
1. It has been raining_____lunchtime.
2. My boss will go away_____the next ten days.
3. I am 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 _____we left school.
10. The house is very dirty. We haven't cleaned it_____ ages

Ex15: Complete the sentences. Put for or since into each gap:

1. It has been raining ................. lunchtime.

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 ................... we left school.

10. The house is very dirty. We haven't cleaned it .................. ages.