My mother is waiting __ the bus __ line __ the bus stop._英语解答

My mother is waiting __ the bus __ line __ the bus stop.

人气：463 ℃　时间：2019-09-29 04:36:49

解答

for,in,at
wait for是固定的词组,等待的意思,后接名次、代词、和动名次.
in line,在队伍中之意.
at指在某地