The sentence should be "I had joined the soccer team to meet new friends" if you're looking for a past perfect tense verb, since this is indication it is something that is not repeated.
Answer:
yes
Explanation:
just make sure answers have a high rating and check ti see if there are comments saying it's wrong
I'd say the answer is C because that doesn't really narrow down what he is trying to write about. he needs a more complex question for research.
Answer:
Yes
Explanation:
It is because it has both a predicate and a subject
The first one is better in my opinion