Complete the sentences with HAVE TO, DON'T HAVE TO, MUST, MUSTN'T

E.g.We have to leave early tomorrow morning.
1I forget my wife's birthday, so I have to buy a card today.
2 she be so annoying all the time?
3You go to the party if you don't want to.
4She arrive before we're ready, we're organising a surprise for her.
5You walk on the grass here, there's a sign over there.
6You speak English to work in this company, but it helps if you can.
7It's getting late now. We really go.
8 they really talk so loudly? I'm trying to enjoy the film.
9When you meet the boss, you speak to him until he speaks to you.
10Don't worry, I'll make the tea. You .