Очень нужна помощь безотлагательно!!!

Ex.1

2) He has broken his arm, but he hasnt broken his leg.

3) She has been skiing, but she hasnt been surfing.

4) We have read a lot of magazines, but we havent read many books.

Ex.2

1)      Have you ever played an instrument in a concert?

2)      Have your parents visited a lot of countries?

3)      Has your brother ever climbed a mountain?

4)      Has your sister ever won a competition?

5)      Have you ever found money on the floor?

Ex.3

1)      Have you ever burnt your хэнд?

2)      Yes, I have.

3)      I burnt it las week.

4)      How did you do it?

5)      I put my хэнд on the cooker.