Thick hazes have been continuing to hit some cities recently

Thick hazes have been continuing to hit some cities recently ,the airport were closed temporarily.
为什么用were closed?
前面已出现动词,且该句无连词,不应该用非谓语动词吗?为什么用谓语动词呢?
求详解,
conpy 1年前 已收到1个回答 举报

joeyonly 春芽

共回答了13个问题采纳率:84.6% 举报

那请问逗号前面的两句话主语一样吗,既然不一样,说明已经是另外一句话了

1年前

6
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