some college students choose to take courses in a variety of subject areas in order to get broad education. others choose to focus on a single subject area in order to have deeper understanding of that area. which approach to couse selection is better for

24 in 30

Seems you don't have something to talk in the main content for reasons. To solve this problem, you need to have an example after the reason. Like this:

first 1-2 sentences: introduction. my opinion: A or B. agree or disagree. about 5-10 seconds
First, reason 1 and the example: about 15 seconds
Second, reason 2 and the example: about 15 seconds
Third, reason 3 (optional)
Conclusion: one sentence.(optional)

Let us know if you didn't get the point.