A:You look worried,Mario.?
B:I broke my sister's favorite cup,Mum.
A:That's too bad.?
B:I broke it when I showed it to my friend Mark.?
A:I think you should tell her about it and say sorry to her.
B:I'm afraid she will be angry with me.
A:But she will know the truth at last.
B:.But I am still worried.Would you like to go with me to talk to my sister?
A:.Let's go now.