题目内容
【题目】----Don't smoke here, Dad. Smoking _____ in public places.
----Oh, sorry. I'll stop right now.
A.isn't allowed
B.aren't allowed
C.doesn't allow
【答案】A
【解析】句意:----不要在这儿吸烟，爸爸。在公共场所不允许吸烟。----哦，对不起，我马上停止。“不允许吸烟”，吸烟smoking在句中作主语，用被动语态。动名词短语smoking作主语，谓语用三人称单数.故选A
练习册系列答案
相关题目