原句打错了吧?估计应该是：Smoking in public places isn't right.
则其同义句为：
= It's not right to smoke in the public places.
= It's wrong to smoke in the public places.
注：It's = It is
in public places 还可以换写成 in public
当然最好是请楼主补充写过原句,才能保证答案的准确率!
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