Всем ) проверьте, , правильно ли я поставила общий вопрос в следующих предложениях: 1. some infectious agents act inside the cells. do some infectious agents act inside the cells? 2. malaria is still one of the worlds greatest killers. is malaria one of the worlds greatest killers? 3. tiny parasites are the cause of malaria. are tiny parasites the cause of malaria? .