我需要一个笔记本，一只钢笔和一块橡皮。他的钢笔在哪？他们的手表在床上吗？（翻译成英文）

I need a notebook, a pen and an earaser.
Where is his pen?
Are their watches on the bed?

I need a notebook、a pen and a rubber。
Where is his pen？
Are their watches in bed？ 在床上的介词应该用in。

I need a notebook, a pen and a piece of rubber. In which his pen? They watch it in bed?

I need a notebook, a pen and an earaser.Where is his pen ?Are the watches of theirs on the bed ?

I need a notebook, a pen and an eraser. Where is his pen? Are their watches on the bed?

I need a note, a pen and a erase. Where is his pen? Are their watches on the bed?