题目内容
【题目】把句子改为一般问句:They went to Beijing by train.
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【答案】Did they go to Beijing by train?
【解析】
原句句意:他们乘火车去北京。主语they,动词went,改为一般问句要用助动词did,原来的went还原为go,首字母大写,句末用问号,可得句意:他们坐火车去北京了吗?故答案为Did they go to Beijing by train?
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