Why can't I add extra point after posted a question

What do you think is the greatest invention that you use today? explain in 4 sentences

If the court issues an injunction against the school's rule, will the petitioning students be glad or upset?

The brother of a presidential candidate writes an editorial in which he defends this candidate against charges of corruption. in such a circumstance, it is most appropriate for the reader to a) suspect that the candidate may have been framed. b) consider whether the candidate has the best family or not. c) wonder if the writer may be biased, due to his family connection. d) wonder if the writer may be inaccurate, due to wanting to get people to read his column. \