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 1______ (第一) day of school.
He made it from a 2______ (教室) in a high school. He told them to study as 3______ (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 4______ (决定) the future of this
county."
Obama also said that school is not always 5______ (容易). The challenges (挑战) of life make school a
difficult time.
"Maybe you can't get your Parents' 6______ (帮助). Maybe someone 7______ (要求) you to go something
wrong. But there is no excuse for not doing your homework of for not 8______ (尝试). Your attitude (态度)
toward yourselves and your education is 9______ (最) important."
Students shook 10______ (手) with Obama at the end of the class.