Which case type can function as a subject or predicate nominative only?

Choose one group member who participated in your discussion. in 100-150 words, evaluate the effectiveness of their main argument and supporting evidence. using your notes, explain whether or not their claims were developed well, what evidence they used to support their claim, and how well they responded to the prompt. is there anything they could have done to be more effective? if so, what was it?

Which of the following is a primary theme in harrison bergeron

For all of those, i want the answer. me.