1·She began to play piano after finishing her homework.
做完作业后,她开始弹钢琴。
2·What do you like to do besides play piano?
除了弹钢琴之外,你还喜欢做什么?
3·He stopped to play piano two months ago.
两个月前他停止做某事而弹钢琴。
4·I do homework, read books, and play piano in it.
我在里面写作业,看书,弹钢琴。
5·I hope that I could play piano.
我希望我会弹钢琴。