Answer: Good.
Greatly should not be used in this context, and goodest is not a real word. so good would be the answer.
Explanation:
It was good. they had a lot of fun
Answrs: Part a) "Facts from a documentary.." This is talking about the benefits of artificial organs instead of donated ones.
Part b) "There are several ..." Because it is a sentence that is likely to precede facts. The others are opinions about how something 'SHOULD' be, and aren't presenting facts or claiming something.The first one 3ven says "I think..." which is clearly an opinion.
when they are giving certain plots
Answer: He is at war, and he will be back next week.
Explanation: