被动语态题:Street lights____(turn)on at six in winter.

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被动语态题:Street lights____(turn)on at six in winter.
被动语态题:Street lights____(turn)on at six in winter.

被动语态题:Street lights____(turn)on at six in winter.
are turned,in winter表示一般状态,所以要用一般现在时态.

are turned

turned 。
有些如open, close, begin, start, finish, end, keep等词用作不及物动词表示主语的某种属性、特征或所处状态(常与easily, quickly, well等副词连用),而非强调动作本身时,通常用主动形式表示被动意义,我想,这里也turn也是一种吧

are turned