Before driving any bus,they will have to take a special test.Before在这里是介词还是连词?为什么?谢谢!

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Before driving any bus,they will have to take a special test.Before在这里是介词还是连词?为什么?谢谢!
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Before driving any bus,they will have to take a special test.Before在这里是介词还是连词?为什么?谢谢!
Before driving any bus,they will have to take a special test.
Before在这里是介词还是连词?为什么?谢谢!

Before driving any bus,they will have to take a special test.Before在这里是介词还是连词?为什么?谢谢!
介词,介词+n/pron/ving
连词要连接句子的

是介词,介词+名词(动名词)
连词+有谓语的句子

是介词,引导的是一个状语从句【before driving any bus】

仅仅一道题选择.Before ______ any buses ,they will have to take a special test .A to drive B driving they will drive.B A B C. Before driving any bus,they will have to take a special test.Before在这里是介词还是连词?为什么?谢谢! 1)The strike will last for a week .That’s what ( )people believe.a) most of b)the most of c)the more d) most 2)Before ( )any buses .they will have to take a special test.a) to drive b)drive c)driving d)they will drive3)One or two people have object Do you have any _____ on drunk driving.A account B comment C.summary D.Belief 为什么选B They don't have any driving lessons in school,____.A.also B.too C.either D.as well driving driving What did Mr Jones do before he moved here?He___a city bus for over twenty-five years.A has driven B drove C drives D is driving What did Mr Jones do before he moved here?He___a city bus for over twenty-five years.A.has driven B.drove C.drives D.is driving It is several months ______ the whole country started to talk about whether driving after drinking alcohol should be punished.A.before B.until C.since D.after There is still_time before the train leavesA.too many B.fewer.Cso much.D.any Don‘t think about it____.I'm sure you'll forget it __.A.any more,long before B.any more ,before longC.any longer,long ago D.any longer ,before long .any more&any longer 有什么区别啊?---Oh,there isn't enough ————for us in the lift.--No 英语翻译4、Check After Test DrivingWalk around your vehicle after parking and check whether there are any oil leakage,water leakage or air leakage.5、OthersAll above checks are what you should do before driving out.If you find any abnormal phen There weren't any swings before hare you seen any of them before? room可数吗I didn't think there was __________ on the boat before.A.some rooms B.any rooms C.any room D.rooms _______ you have any problems,please let me know.A.Before B.After C.Because D.If Were there any call for me ( ) I was out.A: while B: as C: because D:before