问题 选择题
They are forbidden ________,for they are still middle school students.
A. to smoking
B. to smoke
C. smoked
D. smoke
答案

答案:B

考查非谓语动词。forbid sb. to do sth.=" forbid" doing sth.“禁止做某事”。句意“他们被禁止吸烟,因为他们还是中学生。”故选B。

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