Complete the second sentence so that it has the same meaning as the first one

IV. Complete the second sentence so that it has the dame meaning as the first one.
1. He started working for this factory a year ago.
He
2. He has worked in that factory since last year.
He began
3. Tom began playing the piano 4 years ago.
-
→ Tom
-
4. I started cooking for the party 4 hours ago.
→ I.
5. She started to work as a secretary in 1999.
She
6. Hang began listening to music at eight o'clock.
Hang has
7. Mai commenced making a dress on Saturday.
Mai has
8. Son began watering the vegetables at nine o'clock.
- Son has
9. Khanh started playing computer games in 2002.
→ Khanh has
10. Tran commenced raising pets in 2000.