Today, my mother gives me a task when she leaves home, 
今天,我妈妈给了我一个任务,当她离开家的时候,

she asks me to clean the house. 
她叫我打扫房子。

I say yes and promise to surprise her. 
我答应了,并承诺给她一个惊喜。

But soon I forget the task
但很快我忘记任务了,

and play the computer games. 
玩电脑游戏去了。

When the time passes,
 时间过得很快,

I suddenly remember and clean the house quickly
我突然想起来了,迅速打扫房子,

I must follow my words. 
我必须遵守我的承诺

When mother gets home, she praises me. 
当妈妈回家的时候,她称赞了我。