1. нет ошибок.
2. ...IF SHE could go to the ball
3. ... why SHE WAS crying.
4. нет ошибок.
5. ...they WOULD like the palace.
6. NOT TO forget them.
7. ... said TO Piglet. ..
8. ...him HER name .
9. 1 -ое предложение верно.
It was the best flower in the world.
10. ...that she HAD MET him before.