Question

各位大神们，请帮帮我，在线等，急呀！！！

Answer 1

I usually play violin on monday

Answer 2

如果你想说很多：
On Monday, i played the violin, which is my favorite instrument.
On Tuesday, i went out with my friends to paly tennis, and both of us were happy that day.
On Wednesday, i went to watch a basketball game, which was so exciting.
On Thusday, i learned to paly the piano and i felt a little tired.
如果你想说少一点：
On Monday, i played the violin.
On Tuesday, i went out with my friends to paly tennis.
On Wednesday, i went to watch a basketball game.
On Thusday, i learned to paly the piano.