1.....has been playing with sand.
2.....has been running for a long time.
3....can read the English books.
4....you have done.
5.....she has been working hard.
6...look very tired.Oh,no,I'll be able to cope it.
7....am going to buy it tomorrow.
8...the teacher asked them to keep silence.
9...has been baking a strawberry cake.
10...has forgotten to turn it off.
сделала и думаю,может надо было на определённую тему!!??