11.My father started to give up smoking last year.
My father has..................................................................................
12.They have worked in that factory since 2001.
They started.................................................................
13. He has lived in Ha Noi since he was 12.
He started............................................................................
14. He started working in this company 5 years ago
He has……………………………………………………………………………
15. They began living here ten years ago
They have……………………………………………………………………………
16. We began working the job six months ago
--> I ……………………………………………………………………………………….
17. They started checking the machines two hours ago
-->They have ……………………………………………………………………………
18. He began fixing the bike ten minutes ago
-->He has……………………………………………………………………………..
19. She commenced cooking the soup half an hour ago
-->She has……………………………………………………………………………..
20. We began doing the test an hour ago
--> We have……………………………………………………………………………
21. They started building the bridge two years ago
--> They have…………………………………………………………………
22. Khanh started playing computer games in 2002
--> Khanh has……………………………………………………………………………..