(单选题)
People are not allowed ______ in public places by law.
A.to smoke
B.about to smoke
C.smoked
D.due to smoke
参考答案:A
参考解析:
考查非谓语动词。句意:法律不允许人们在公共场所吸烟。allow sb. to do sth.为固定用法,意为“允许某人做某事”,若使用被动语态时,则变为sb. be allowed to do sth.。结合选项可知,A项正确。故选A。
知识点:
