根据短文内容和首字母提示，在下文空格处填入适当的词使短文完整。(每空一词)
Almost every child in cities has the chance to go to school,but not all children in the countries are s_▲_ lucky.
There is a girl called Xiao Wen.She is 8 years old and lives in a small v_▲_ in Guangxi.When she was young,she wanted to go to school.But she could not,because her family was too poor to a_▲_ the school fees(学费) for her, so her parents had to keep her at home. I _▲_ of studying, Xiao Wen worked in the fields with her parents every day.Then Project Hope heard about Xiao Wen.It helped her to go to school. Her wish of study came t_▲_ ,and now she is studying in a school.
U_▲_ ，there are many thousands of children who can not go to school .You can join in Project Hope and help these children.You know all the work n_▲_ money and Project Hope needs your help.
If you give Project Hope ￥300 each year, it can pay for one child to go to school for a w_▲_ year. With more money, Project Hope can b_▲_ new schools,buy good desks,chairs,blackboards and books.Let’s help the children together and give them a c_▲_ to have a good start in life.
牛，如果枪膛长60厘米，气体将弹头推出枪膛做的功是________焦。