Withautumncomingon,itisgettingsho

发布时间：2020-07-27 08:47:50

With autumn ing on, it is getting shorter ________．A.from dawn until darkB.day and nightC.day after dayD.day by day

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D解析day by day一天天地(强调变化)，day after day一天又一天地(强调重复)．
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