3 haven't been finished
4 press this button, the machine will stop
5 make me some coffee, I will give you one of my biscuits
6 will be showed to her
7 he is old, he is still interested in playing sports
8 was being prepared when the accident happen
Bài 2 (cột bên trái là A, cột phải là B nhé)
1 A
2 B
3 B
4 A
5 B
6 A