作业帮kuai!170.Students mustn’t smoke because smoking is harmful to their health.(保持句意基本不变)Students ________to smoke because smoking is harmful to their health.两个空格
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kuai!170.Students mustn’t smoke because smoking is harmful to their health.(保持句意基本不变)Students ________to smoke because smoking is harmful to their health.两个空格
kuai!1
70.Students mustn’t smoke because smoking is harmful to their health.(保持句意基本不变)
Students ________to smoke because smoking is harmful to their health.
两个空格
kuai!170.Students mustn’t smoke because smoking is harmful to their health.(保持句意基本不变)Students ________to smoke because smoking is harmful to their health.两个空格
Students 【are't allowed 】to smoke because smoking is harmful to their health.
学生不被允许抽烟因为吸烟有害健康.
（被动语态be allowed to 意思是允许.）