1.she fat because she doesn't loes weight.
->if she
2.if he doesn' save money, he will become poor
->unless
3.my brother finds cartoon films very interesting
->my brother is
4.he didn't his homework until his father came home
->it was not
5.Nam has sold the old clothes for 2 days
-> the old clothes
6.this exercise is more difficult than that exercise
->that exercise
7.we didn't have a holiday until last year
->it was not
8.the forest fire destroyed
->many valuable trees and animals
9.the blue dress is more expensive than the red one
->the red dress
