英语题目根据提示用适当的介词完成句子.1.Where is my cat? It's b________ the doo

英语题目
根据提示用适当的介词完成句子.
1.Where is my cat? It's b________ the door.
2.Where is the telephone? It's n_______to the sofa.
3.Where are the CDs? They're on the desk ,b______the books and the TV.
4.Is there a desk b____the bed? Yse,there's a desk next to the bed.
快点,谢谢