every Monday,there is a flag-raising ceremony being h(?)in every school

held (hold的过去分词)
每周一,每个学校都举行升旗仪式.what should we do to change the bad weather and e?What should we do to change the bad weather and environment.

我们应该怎样做才能改变坏的天气和环境?it was foggy and the fog was quite h?heavy

雾很浓/雾很重

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