С. : alice and her classmates are going to have a halloween party. what have the children done? what haven't they done ? make up sentences. use the correct verb form. 1.polly/bring/just/coca-cola. 2.ron/buy/yet/his halloween costume. 3.they/buy/yet/flower? . 4.they/make/yet/sandwiches? 5.they buy/just/hot dogs. 6.andrew/bring/already/a dvd player 7.they/decorate/already/the room
2. Ron has already bought his Halloween costume.
3. Have they bought flower yet?
4. Have they made sandwiches yet?
5. They just have bought hot dogs.
6. Andrew has already brought a DVD player.
7. They have already decorated the room.