Help me, thanks you guys very much ! 2.You won't get in to see the show if you don't have reserved seats. A.You won't get in to see the show unless you have reserved seats. B.You won't get in to see the show unless you don't have reserved seats. C.You will get in to see the show unless you have reserved seats. D.You get in to see the show unless you have reserved seats. 3.In Britain, young people are not allowed to drink in pubs until they're 18. A.In Britain, young people must drink in pubs until they're 18. B.In Britain, young people don't have to drink in pubs until they're 18. C.In Britain, young people mustn't drink in pubs until they're 18. D.In Britain, young people shouldn't drink in pubs until they're 18.