Điền SINCE hoặc FOR
----- Nội dung dịch tự động từ ảnh -----
12. My boss has gone away ...........ten days
13. I haved lived in England..…................ year.
14. She has lived in London.......... ..1985.
15. Please hurry up! We have been waiting
16. I have known her...............January.
17. Nam's father has worked in this company
18. Have you learned English...........a long time?
19. I haven't seen Tom......... ..Monday.
20. This house is very dirty. Wer haven't cleaned it