10 . My mother is 92. Unless I have to be out of town, each week I take my mother to do her _______ and visit the doctor, providing _______ and transportation. During the week, however, she likes to go to a nearby store to _______ some small things she needs.

Last week she walked up to the store, but when she went to pay for her groceries, she was _______ about three dollars. The only _______ to pay for the groceries was to take off the _______ she could do without: a bottle of rubbing alcohol (医用酒精) and a bar of soap. By taking off these, she was able to _______ the new total to the amount of cash she had with her.

At this store, people _______ and then go off to the side to _______ their own groceries. My mother was putting her groceries into shopping bags when a ________ came up to her and said, “Here are the things that you ________ .” handing her the rubbing alcohol and the ________ . My mother, who is never speechless, was speechless. She ________ for the woman’s name and address so that she could ________ her. The woman told her it was her ________ .

My mother was so ________ by her gesture that she decided to go back to the store and give the cashier (收银员) a five-dollar bill to keep on hand ________ the same happened to someone else if they didn’t have enough ________ for all of their groceries.

So, whoever you are, thank you for the random act of ________ that not only helped my mother out, but ________ too.