题目内容
20._______ smoke here,dad.Smoking has been banned in public places.( )A. | Don't be | B. | Don't | C. | Not to be | D. | Be not |
分析 不要在这吸烟,爸爸.吸烟已经在公众场合被禁止了.
解答 答案:B 根据"smoke here,dad"可知此句是动词短语构成句子,没有主语,可知这是祈使句.祈使句的否定要在动词前加don't.故选B.
点评 本题考查祈使句的否定句形式.此题的关键在于判断出这是祈使句.祈使句要符合以下条件:省略主语you,以动词原形开头.
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