完形填空
通读下面短文，掌握其大意，然后从所给的A、B、C、D四个选项中选出一个可以填入短文空白处的最佳选项。
Look, this is        bedroom. It is a          nice room. A clock        some pictures are     the wall.      is on the desk. His schoolbag is     the chair. His coat is on the bed. Where is       baseball? It's     the door. What's that?      a cat! It        Mimi.

A．Jim B．Jims C．Jim's D．Jims'

A．much B．very C．good D．fine

A．and B．with C．to D．be

A．at B．on C．in D．for

A．A set keys B．A set of keys C．A set of key D．Key

A．on B．in C．between D．out

A．a B．the C．an D．／

A．behind B．in C．under D．between

A．This B．It C．Its D．It's

A．/ B．name C．name's D．is