我的房间有一台电脑，一张床，一张书桌，三把椅子和一个书柜用英语怎么说?

there chairs and a bookcase in my roomThere is a computer . 
这里必须用单数,a bed,a desk
 

three chairsThere is a computer，一张床，一张书桌, and a bookcase in my room.
我的房间有一台电脑, a desk, a bed，三把椅子和一个书柜
 

（在）我的房间（里）有一台电脑，一张床，一张书桌，三把椅子和一个书柜
In my room has a computer, a bed, a desk, three chairs and a bookcase
 

there's one computer,one bed and a desk in my room, once open the door u can also see three chairs  near my bookshelfe.
 

There is a computer,a bed ,a desk ,three chairs and a bookcase in my room.