Write a paragraph how to express your agreement or disagreement

Write a paragraph how to express your agreement or disagreement.
- Introduction:
+ I agree / disagree with the idea that " Studying online is not as effective as studying directly(or at school) "
- Explaining your opinion:
Firstly,...
Secondly,...
Thirdly,...
Furthermore/In addition,...
Finally/Lastly,...
- Conclusion: In short/For these reasons/Therefore,...