A:Tomorrow we will clean this school, are you understand?
B:Yes i'm understand
A:Can you bring your cleaning tools?
B:Yes of course
A:What is your opinion about this school?
B:This school is dirty
A:What do you doing about this school?
B:I will clean this school with my friend
A:What do you say after this school is clean?
B:I will say it's a nice job