there was a robot at the piano.he could play songs.两句合并为一句

分类: 作业答案 • 2022-04-13 22:59:00

问题描述：

答

the robot at the piano could play songs

答

There was a robot at the piano and he could play songs.

答

there was a robot who could play songs at the piano

答

There was a robot at the piano, which can play songs.

答

There was a robot which could play songs at the piano.