The room is very large and only little room--------by the new piano.

问题描述:

The room is very large and only little room--------by the new piano.
A takes up B is taken up 或者都不对

The room is very large and only a little room IS TAKEN UP by the new piano.
是被动态结构,所以用is taken up.如果是主动概念,就成了:
The room is very large and the piano TAKES UP only a little room of the room..