They are waiting ______the green light.(________填for对吗?）

They are waiting ______the green light.(________填for对吗?） we ( are waiting for the green light.)括号里的画线,对划线部分提问. Who are they waiting ___the bus stop (填什么） They are waiting for their MUm.（提问） （they are） waiting for the bus.画线部分提问 bus they waiting are a for （.） 连词 We wait （on）the parement （for）the green light 后面问什么填for 填合适的介词：They are waiting for Mrs.White _____the bus stop now. they are --- a bus now A waiting for B waiting where they are对吗?并填（ ）they are.you see ,they are in your sch The car stands waiting for the green light 用的是什么语法 the car stands waiting for the green light.wait为什么加ing ,如果是现