Ответ:
1) I can speak German
2) She can sing good
3) We can't paint
4) Can Mark juggle?
5) Sasha can't cook
6) Can you do a homework today?
7) Can Petya play in computer game "World of Warcraft"?
8) My mom can't read for long
9) We can start the lesson at 11 o'clock
10) Can you call me today?