仿照例句，改写句子。(24分)
例：She can take pictures.
She took pictures last Sunday.
（1）I can play the piano.
I________ the piano last Sunday.
（2）He can make a poster.
He________ a poster last Sunday.
（3）They can swim.
They________ last Sunday.
（4）She can sing songs.
She________ songs last Sunday.