Iwantyoutogotothepostoffice_____youarethere,canyougetsomestamps(从aswhilebecauseuntil中选）______heisachild,hecanspeakenglish(althoughbutaswhile)Althoughthereisadifferenceinspelling,pronunciationbetweenAm

　　Iwantyoutogotothepostoffice

　　_____youarethere,canyougetsomestamps(从aswhilebecauseuntil中选）

　　______heisachild,hecanspeakenglish(althoughbutaswhile)

　　Althoughthereisadifferenceinspelling,pronunciationbetweenAmericanEnglishandBritishEnglish,bothofthecountrieshavemuchto_______

　　(sharecommunicatespareimprove)