Najlepsza Odpowiedź!
1.You must clean after the party.
2.You must buy food and drinks for the party.
3.You must invite friends to the party.
4.You must clean before the party.

1.You musn't brake anything.
2.You musn't play loud music.
3.You musn't leave a mess.
4.You musn't fool around.
1 4 1