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itiskindoftrain.butitrunsundertheground.itrunsfast.whatisit?猜一种东西,看图补充对话()toamerica?ioftengoby()飞机图()?igotoschool()单车图

题目详情
it is kind of train.but it runs under the ground.it runs fast.what is it?
猜一种东西,
看图补充对话
() to america?
i often go by () 飞机图
()?
i go to school () 单车图
▼优质解答
答案和解析
是:the subway:即地铁.