单选The doctor warned him __.A.not smoke B.not to smokeC.don't smokeD.should not smoke
问题描述：
单选The doctor warned him __.A.not smoke B.not to smokeC.don't smokeD.should not smoke
答
B 短语为warn sb to do （or not to do ）sth。警告某人要（或者不要）做某事
【望采纳 谢谢】
答
B
warn sb not to do sth 警告某人不要做某事.
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