Viet lai voi cau wish
1) lien never goes on a camping trip
2) l'm sorry l don't live near my house
3) l haven't got a washing machine at home
4) they cannot eat seafood
5) phong doesn't have any sisters
bai 2: chia dong tu o cau dieu kien
1) lf he( take) my advice,everything can go well
2)what you(do) if she refuses your invitation
3)you( be) ill if you drilk that water 
4) if he( try) hard,he'll pass the examination