1 I … the piano since I was five. * 1 have played
2 have plaied
3 have been played
4 have been playing

2 You needn’t take an umbrella. The rain … . *
1 have stoped
2 has stopped
3 has been stoped
4 has been stopping

3 She ... 100 poems. *
1 has already writed
2 already has written
3 has been already writing
4 has already written

4 I ... this film for two hours already! It's boring. *
1 have watched
2 have been watching
3 has been watching
4 have been watched

5 Peter … a book by R. Stevenson and is going to buy it. *
1 has choosed
2 has chosen
3 has been chosen
4 has been choosing