two pencils in my pencil-case a piano in themusic room There is和there are

问题描述:

two pencils in my pencil-case a piano in themusic room There is和there are

There is a piano in the music room音乐室有一架钢琴
There are two pencils in my pencil-case.我铅笔盒里有两支铅笔不用了,谢谢,我已经知道了。ok