Something must have happened on their way here为什么way后面要加here

Something must have happened on their way here为什么way后面要加here Something must have happened on their way here,or they _____ Something must have happened on their way there,or they （ ） on their way _____(play) football ,they found something unus How long have you lived here?中的How long后面为什么要加have on their way to. on their way on one's/the way home/here/there是什么意思 A t___ stole my mobile phone on my way here. We have a bit of b____ fingding our way here We are way up here! 这句话为什么要在the way前面加on?