题目内容：

Young boys are not easily shocked, but 12-year-old Preston Sharp sure knows the feeling.

“Yeah, I was surprised and even disappointed, ” Preston said , Preston’s mom , April Sharp said , “It is the first time I 1. (see) him like this angry and passionate.”

What upset her son so much was visiting his grandpa’s grave in Redding, California ,and realizing that not every veteran(老兵) in the cemetery has a flag. So April told him “son, 2.you are going to complain about something , you have to do something about it or let it go”

Next thing April knew，Preston was taking on odd jobs and asking for donations3.(buy)flags and flowers for every veteran in his grandpa’s cemetery. And when that cemetery4. (cover),he moved on to another，and then another.

Here we are，nearly three years and about 65,000graves later. He does it every week5.the weather is like, rain or shine---especially rain，”They were out there in the rain doing their job, 6. (protect)us,” Preston said. His devotion is infections.

When word gets out7.Preston will be at a cemetery---he has a Facebook page，Preston Sharp/Vet flags and Flowers---people，like Vietnam veteran Fred Loveland, feel8. (oblige)to join in.” It’s amazing.” Loveland said.” What he’s doing brings9.out because we can’t believe a young man in this country is doing what he does，”It is a movement of young and old，of those who served and those who are so grateful for what they did，all led by a proud grandson10.saw an injustice and decided to do something about it.