Сделайте пожалуйста номер 2

1) I have watched this film.
2)We have begun the work.
3)Den has done his homework.
4)Julia and Betty have cut the vegetables.
5)Children have had dinner.
6)Martin has gone.
7)The girl has drawn a nice picture.
8)We have chosen the present.
9)The train has arrived.
10)Granny has bought me some cakes.