Also,inEngland,theoldsteam-poweredtrainisverypopular.Ihavetakenmanyphotosofit中it
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题目内容：
Also,in England,the old steam-powered trainis very popular .I have taken many photos of it中it
优质解答
it指代前面的the old steam-powered train
就是老式的蒸汽火车
本题链接：
