合并句子①He said.He is a good student②Lucy told me.I can not go to the cinema.③

问题描述:

合并句子①He said.He is a good student②Lucy told me.I can not go to the cinema.③
③I did not know.Can he come.

He said he was a good student.
Lucy told me that she could not go to the cinema.
I did not know if he could come.