题目内容：

阅读下面材料，在空白处填入适当的单词或括号内单词的正确形式。（每空填一到两词）

I was at the Indian grocery store with my cart totally full to check out. There was an African American man in his  1.  (sixty) behind me. I told him he could go before me  2. he had just two items in his hand, and he was all smiles and added, as if 3.  (tease)me, “Thanks! Why don’t you pay for my stuff too,” and laughed. I felt a little 4.  (embarrass) and thought that the man had a wonderful sense of humor.

I told the lady at the check out not 5.  (change)him. I said I would pay for him. He said, “No, no, no, I was just kidding.” And I 6.  (reply) with a smile, “Yes, yes your wish is heard. Please let me do it!”

As we talked outside, he told me that the Indian herbs(草药) 7.  he had bought 8.  (be)for his friend so I should take the money. I said to him, “It is good that it is not for you. Now you can pay it forward to somebody else.” He thanked me and promised he would.

9. (eventual), I went home 10.  my car full of groceries and my heart full of warmth and kindness.