题目内容
13.It often takes about 16 hours to go from Beijing to Shanghai by train.(对画线部分提问)How long does it often take to go from Beijing to Shanghai by train?
分析 --乘火车从北京到上海大约要花16个小时.
--乘火车从北京到上海要多长时间?
解答 答案:How long.考画划线部分提问.根据about 16 hours大约十六小时,可知对一段时间提问用疑问词组how long多长时间.答案是How long.
点评 对划线部分提问,要根据划线部分内容选择合适的疑问词,剩下的变为一般疑问句.注意区分疑问词的用法.会正确运用一般疑问句用法.
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