用方框中所给词的正确形式填空，使短文通顺、连贯。方框中有两个词为多余项
| little write ask homework sorry say for read look do fair son |
Mrs Green was cooking supper in the kitchen one evening. Her son, David, came in with a pen and a piece of paper. He put the piece of paper in his mother's hand. It:
For cutting the grassMother: $5.00
For cleaning up my bedroom: $10.00
Baby-sitting mybrother while you go shopping: $20.00
For these I, please pay me $35.
Mrs Green looked at him. She said nothing and picked up the pen from David. And she:
For the nine months I carried you while you were inside me: Free
For all the nights I sat up with you and helped you do your: Free
For the toys, food, clothes: Free
At last, she wrote, “My dear, please add these up. The cost of my love is: No charge.”
The boythe piece of paper. There were big tears in his eyes. Hestraight at his mother and said, “Mom, I am. I am wrong.”