根据短文内容和所给中文提示，在空白处填入单词。每空限填一词。
US President Obama gave a TV speech to his country’s students on the  (第一) day of school. He made it from a      (教室) in a high school. He told them to study as    (努力) as they could.
“NO matter(无论) what you want to do with your life, you will need an education, ” he said.
“This isn’t just important for your own life and your own future. It will    (决定) the future of this county.”
Obama also said that school is not always    (容易). The challenges (挑战) of life make school a difficult time.
“Maybe you can’t get your Parents’  (帮助). Maybe someone    (要求) you to go something wrong. But there is no excuse for not doing your homework of for not    (尝试). Your attitude(态度) toward yourselves and your education is   (最) important.”
Students shook    (手) with Obama at the end of the class.