It will outline what will be discussed in the body paragraphs in the third sentence.
The introduction should be brief and understandable by the reader. In the introduction, you should write not more than three sentences. The first sentence can be used to paraphrase the topic or question, and the second sentence can be used to give your opinion. In this way, your first paragraph would be perfectly framed.
While explaining the topics, you can have two or three separate body paragraphs, wherein you can take an idea and illustrate it using examples or some supporting details. Try using appropriate vocabulary and grammar while explaining an idea in the body paragraphs.
As this is an opinion essay, the conclusion is significant. Sum up all the points you mentioned in your previous paragraphs.
Prevention is better than cure. Should money be invested in treating a disease or its preventive measure?
There is massive global demand for oil and gas and therefore inhabited areas should be accessed for more resources.
Online education is the new normal. Do you agree?
One should know more than two languages for ease of understanding. Do you agree?