they have done what they can__(help)the childrenin poor areas主要是can在此题中用法的说明

what have they done to you 歌词 what have u done what have u done what have they done with the meat?they havwhat have they done with the meat?they have just __.是填eaten it 还是eaten them -----useful work they have done!a what b how c what a d what an Have they done what they can _____(stop) the environment pollution?敬请告知理由. They have done what they can (.) us stop the sangstorm.补空 ()useful wok they have done A.what a B.what an They have done all __ stop the sisease from getting around.A.what they can B.they can to C.that they can D.what they can to What Have U Done 歌词 What would you have done What Have You Done 歌词 What would you have done what have you done today what have you done lately? What have you done recently? and what have we done What Have We Done 歌词