the boy _______at the bus stop and______his mother

The boy is waiting______the bus stop the boy ＿＿ at the bus stop and＿＿his mother.A stand,waits B,s my mother asks me to wait ( ) her ( )the bus stop. My mother asked me to wait the bus stop The bus stop is ( ). My mother is waiting __ the bus __ line __ the bus stop. in the bus stop 还是at the bus stop? when i got to the bus stop,i found a boy on()side of the str Outside the museum____a bus stop. Where is the bus stop? -----the bus stop(填介词) at the bus stop是什么意思