题目内容

5.因为公共场所不允许吸烟,我们相信越来越多的人将会戒烟.
I believe more and more people willgive up smoking,because smokingisn't allowed in public.

分析 give up smoking; isn't allowed.

解答 答案:give up smoking; isn't allowed.
表示将会做某事结合will用一般将来时will+动词原形,表示戒烟用give up smoking(give up doing sth放弃做某事),后文because引导的原因状语从句,表达的是客观事实用一般现在时,表示允许做某事allow doing sth,主语smoking是allow的承受者,故用一般现在时的被动语态be+过去分词,主语是动名词短语,谓语动词用单数is,故答案是give up smoking; isn't allowed.

点评 allow作"允许"或"许可"讲,常搭用动词不定式短语作宾语补足语即,allow sb.to do sth.允许某人做某事
Please allow me to carry your bag.
allow 作"许可","允许"讲,只可搭配动名词短语作宾语,不可直接搭用动词不定式作宾补,即只可说 allow doing sth.,不可说allow to do sth.

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