A) There is something on the carpet.
- Is there anything on the carpet?
- There is nothing on the carpet.
B) I've got something to eat.
- Have you got anything to eat?
- I've got nothing to eat.
C) There is somebody in the room.
- Is there anybody in the room?
- There is nobody in the room.
D) Somebody is calling you.
- Is anybody calling you?
- Nobody is calling you.
Ответ: смотри выше.
Всё получилось просто отлично! Ты молодец, продолжай в том же духе!