in通常用来表示“用语言、声音等”,也可表示“用工具、材料等”,名词前一般不加冠词;by 后一般跟动名词或抽象化的可数名词(其前不用冠词),意为“用……手段或方式”;“with+具体的工具、材料或人体器官”。如:[文章版权 禁止转载:考试与评价 'hd'5w_
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Please write to me in English. 请用英语给我写信。[文章版权 禁止转载:考试与评价 cb)fo(=(%p!N UWBYFroG]
Do you usually come to school by bike? 你通常骑自行车上学吗?[文章版权 禁止转载:考试与评价 a]BA5*UG.0
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The old man had to make money by selling vegetables. 那老人不得不靠卖菜挣钱。[文章版权 禁止转载:考试与评价 F@QcU$e?6x!v$k~FroG]
What can you do with a computer? 你能用电脑做点什么?[文章版权 禁止转载:考试与评价 KN!Q40eM�E!HjFroG]
提醒:“by +交通工具名词”相当于“in(在美语中常用on) +冠词+交通工具”,但只能说:by bike /on a bike,on a horse,on a motorbike,on foot;可以说:by bus /on a bus /in a bus,by plane /on a plane /in a plane,by train /in a train /on a train,etc.[文章版权 禁止转载:考试与评价 $ [8P5ZhZk\EJ{"$FroG]