Составить вопросы к готовым предложениям. напоминаю тема present perfect. 1)they have bought a new computer for their son. 2)she has been to the alps. 3) my cousin has given me this disc. who?

1)They have bought a new computer for their son. What have they bought for their son?
2)She has been to the Alps. Where has she been?
3) My cousin has given me this disc. Who has given you this disc?