Choose the right form in each gap to complete the text

I've got a cool room! There [be|is|are|been] a lot of posters of my favourite football players on the walls. There [be|is|are|been] a desk with a new computer under the window. There is also [a big bed|an big bed|a big beds|any big bed ] in my room. The bed is between the desk and the bookcase. There [are no|aren't|arent|not are] many books in the bookcase. There [not is|is no|isn't|not] a TV but there is a Wi-Fi in my room. And there is also a big wardrobe. It's the best room in the world!