smoke here, dad. Smoking has been banned in public places.A. Don’t beB. Don’tC. Not to be

smoke here, dad. Smoking has been banned in public places.
A. Don’t be
B. Don’t
C. Not to be
D. Be not

A. Don’t be(答案→)B. Don’tC. Not to beD. Be not解析：考查祈使句。祈使句以动词原形开头，否定的祈使句是在句首用don’t。句意“不要在此吸烟，爸爸。公共场合吸烟已经被禁止了。”故选B。

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