Let's get on the bus —————A.one by one B.one after another C.in turns D.all the aboveD选项什么意思；应该选什么；为什莫不选其他的三个；那位高手能帮我解答一下,急用

为什么在“Here comes the bus,Let's get it on”中用get it on,而不用get on it It's the last bus,Let's -----------get it on B get on it 希望给出具体解释, Look!The bus is coming .Let's _____ the busA.get on B.get up C.get off The school bus is coming!Let's get it on quickly.哪错啦急的说. The bus is coming .Let's ___.A.get it on B.get if off C.get on it D.get off it 上车是不是get on / get in都成?let's get on the bus quickly我记得get in可以说上车吧. The car is coming.Let's ____the bus carefully.是get on还是get off?是The car is coming,不是The bus is coming. Let's _____ (get) off the bus.理由 1、Here comes the bus.Let's __________.A.get on it B.get it on2、get on the busget the bus onget on itget it on那些对那些错? Look!Here comes the bus.Let's __ 单项选择A get on itB get it onC get off itD get it off look,the bus is coming . Let`s __itA get onB get offC get awayD get of Let the old woman get on the bus first.中为什么用get on? Let‘s get------the bus请问横线上填什么合适?in on at to by for from with under the bus is coming let usA get it on B get on it 选哪个?为什么 Let's _____ to get there.A.take a bus B.by bus C.on a bus shes (trying to get on the bus ).划线提问 she”s (trying to get on the bus )划线提问 It’s our t to get on the bus