Bài 2: Fill in the gap with since or for to complete the sentence. 1. He watched television ………..three hours. 2. They have been friends………….five months. 3. My family has owned this farm……….1990. 4. I have wanted that book ………..months. 5. I haven’t seen you…………..Christmas. 6. We have been here………January. 7. I haven’t eaten any meat………….over a year. 8. She has worn the same old dress ………..the beginning of the month. 9. He has leaf his home ………………………2013 10. My mother has gone the market to buy foods………………… 32 hours 11. She ( be ) sick..........Wednesday. 12. John ( work) in that company......... 6 years. 13. Lan( be ) in the hospital......... almost a month. 14. They ( send) him any money........ last month.