用不定代词或不定副词填空 i cant hear anything=i can hear __ there is __ on the floor.please pick
用不定代词或不定副词填空
i cant hear anything=i can hear __
there is __ on the floor.please pick it up
did __ go to play basketball with you?
i phoned you last night.but __ answered it
i dont think __ telephoned 
why dont you ask __ to help you?
if you want __ ,please let me know.
shall we get __ to drink?
dont worry.theres __ wrong with your ears
theres __ in the box.its empty.
maybe __ put my pencil __.i cant find it__