----- Nội dung dịch tự động từ ảnh -----
1.Peter began to work for me in 2010
Peter........
2. They started playing chess at 3 o'clock
They.......
3. We started to hold the meeting yesterday
We.........
4. My mother began to cook at 10.00
My mother.....
5. His brother began studying science last month
His.............
6. I have cleaned the room for 15 minutes
............
7. She has washed the clothes since 8 o'clock
I
She......
8. They have had breakfast for an hour
→They................