I'm in sixth grade this might no be right if I were you I would get a second opinion though I think it it letter C.
So a guy was asking a girl to marry him but he took of his shoes so he don’t crease them and the girl was laughing cos he took of his shoe but still said yes
Answer:
Very (few people understand how) important recycling is.
Sarah had (to make a decision) about where they should go for dinner.
Clara asked (if the rubbish) went to a landfill site.
Paul has (involved himself in politics while) he was at university.
Explanation: