Hello LZ
I live in Australia,I also write this species of Essay.
you can write it as a Essay.
First:Introduction /Do you think that study for a test is all good or half part?/ (Don't write reason)
Second:1 If you think all good,you can write the reason and why or what will you study for a test.
2 If you think half part,you can also write the reason and why.
Third:Conclusion:Sum up the main Ideal.
I don't know how many words you want to write,but It is the simple way you write it according this one.
Hope I can help you.