作业帮While__for the bus,the old man met his old friend．A．being waited B．having waitedC．waited D．waiting
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While__for the bus,the old man met his old friend．A．being waited B．having waitedC．waited D．waiting
While__for the bus,the old man met his old friend．
A．being waited B．having waited
C．waited D．waiting
While__for the bus,the old man met his old friend．A．being waited B．having waitedC．waited D．waiting
答案是D,以上解释都不再正确,这个句子正确的理解应该是这样,我给你分析一下：
while后面省略了he was,很多句子都有这样的用法,比方说,和下面这个例句差不多用法：
I know the man sitting on the chair.(man后面就省略了who is )
这两个句子是一样的道理.你给出的那个句子中,主语是he,所以显然,等车这个动作是主动的,那么就可以排除A,C,而它用到while,表示是同时的,（另一个理解是,出现while,就要用进行时）,所以,显然,ing形式...
这个在做选择题时很重要的,希望可以对你有帮助^^^.
While__for the bus,the old man met his old friend．A．being waited B．having waitedC．waited D．waiting
Look!T --- comes the school bus
Don't worry .The bus (come)
you （）get down the bus until the bus has stoppedcan’t mustn‘t那个为什么
he didn't catch the early bus(同义句) he ____ ____ catch the early bus
Yesterday he missed the early bus. yesterday ,he didn't ____ ____ ____ the early bus
I don't like____(take) the bus to school.
L____,we didn't miss the last bus.
Many students in my class t----------the bus to school
Great!We didn't miss the bus.有没有错?
we didn't miss the bus yesterday是什么意思
Don,t get off the bus回得来
Don't get off the bus until it____(stop).
We won‘t get on until the bus （stop）.
Don't get off the bus until it stopping 急
I didin't have to ride the bus
Don`t get off the bus until it ___(stop)
i didn't catch the first bus today 同义句