Исправь пунктационные ошибки - поставь нужный знак препинания. 1 this is my bedroom? 2 what`s this! 3 it`s very nice? 4 whose is this ruler. 5 can you see my musical box.

1. This is my bedroom. 2. What's this? 3. It's very nice! 4. Whose is this ruler? 5. Can you see my musical box?