语法填空。

     Melissa Poe was 9 years old __1__she began a campaign for a cleaner environment by writing a letter

to __2__ President Bush. Through her own efforts, her letter was reproduced on over 250 __3__(donate) billboards(广告牌) across the country.

     The response __4__ her request for help was so huge that Poe established Kids For A Cleaner

Environment (Kids F. A.C.E) in 1989.There are now 300,000 members of Kids F. A.C.E worldwide

and it is the __5__(world) largest youth environmental organization.

     Poe has also asked the National Park Service to carry __6__ a "Children Forest" project in every

national park. In 1992, she was invited __7__ one of six children in the world to speak at the Earth

Summit in Brazil. In 1993, she __8__ (give) a Caring Award for her efforts by the Caring Institute.

__9__ the organization started, Kids F. A.C.E members have distributed and planted over 1 million

trees! "You need to start being a responsible, __10 _(environment) friendly person now, right away,

before you become a resourcesucking adult, " she explains.