Panel discussion because if you take out the moderator out of a panel discussion it becomes a round table.
D. third person voice and present tense verbs.
You use 3rd person because it is more formal. The teacher always says "don't use I!"
You use present tense to talk about the book because even though you as the writer already read the book, the person who is reading your analysis may not have read the book, so use present tense. For example, you should write, "The book states on page" instead of "The book stated on page"
Answer:
I haven't seen Oliver since last week.
We’ve only lived in this house for a few months.
I haven’t put anything on since April 1st. That was my birthday.
We started out revision at 10am and we’ve been studying since then!
My parents have been to lesson for almost two decades.
You’ve been talking on the phone for over an hour.
Dana has loved making jewelry since the day she started.
Alan hasn’t been feeling well since New Year’s Day.
We’ve been been walking around town for hours!
It should not be controversial: it would only make the research less reliable since people would have their opinions about the topic that they would want to defend. It should also not be obscure: then it's hard to check.
The best answer is that it should be multifaceted: it should include a number of aspects, not just one, so that the test can check for those aspects, not just one.
