ex.1
2)g 3)e 4)a 5)d 6)b 7)f
ex.2
2)Yes, he has. 3)No,she hasn't 4)Yes, I have 5)No, they haven't 6)Yes, we have 7)No, it hasn't
ex.3
2) has he bought 3) have you played 4) has she spent 5) have they uploaded 6) has she been 7) has it stopped 8) has Lisa invited
ex.4
2)-Have you ever seen the Eiffel Tower?
-No, I haven't, but I've visited Euro Disney near Paris.
3)-Have you ever written a blog?
-No, I haven't, but I've designed websites for my friends.
4)-Have you ever worked in a shop?
-Yes, I have and I've worked in the restaurant.
5)-Have you ever done badly in an exam?
-No, I haven't, but I've never came first in the class.
6)-Have you ever lost your mobile phone?
-Yes, I have and I have lost two MP3 players.
