Answer:
about the robber:
the robber has been arrested by the police.2
about the students:
the students were told to be quiet.
Hello. You did not provide the article to which this question refers, which makes it impossible for it to be answered accurately. However, I will try to help you in the best possible way.
It is only possible to know the central idea of an article by reading the article. Generally, this main idea is exposed in the first paragraphs, as it allows the reader to understand the subject that will be approached. This is because the central idea is the main subject to which the article wishes to discuss and argue. Therefore, to answer your question you will need to find this subject in the article.
Explanation:
(to be doing something) as we speak: (to be in the middle of doing something) at this exact moment, right now
idiom
They are looking for a solution to this problem as we speak. They are trying to solve the problem right now.
A adjective is a word that describes/clarifies a noun. So it's pretty much just adding info to a noun.
The boy sat at a broken desk.