do our

do our do our还是do our best? Do join our sometimes we do our exercises 【】 ---let's do our best and protect our enviroment.----________ If we do our best to___ through our difficulties we should do our best to prevent our earth___. We need____hour to do our work. ____can we do well in our studies? how do we deal with our problems/ How do we deal with our problems 英语翻译（ ）do you ( )( )our show?