Điền since và for 1. I haven't meet him .................. Wednesday 2. She has lived in London ................ 2010 3. The house is very dirty. They haven't cleaned it ................ a long time 4. I haven't had a good meal .............. last Monday 5. He has looked for a job ............... he left school 6. ............. Easter, the weather has been terrible 7. We've known each other .................. ages 8. She's been in France ................ three weeks 9. Mr Smiths has had a headache ..................... over a month 10. I haven't seen Tom ................ monday 11. Sarah has lived in London ......... 2018 12. The house is very dirty. We haven't cleaned it ................. ages 13. I haven't had a good meal .................. last Tuesday 14.Kevin has looked for a job ............... he left school 15. ........................ Chiristmas, the weather has been quite good 16. We have known each other .................. a long time 17.She's been in France ............. three weeks 18. I' ve lived in Rome.............. I was two 19, Mr Woods has had a headache.............. over a month