Interesting. You did not describe the requirements, but the message seems good to me. Thanks for sharing.
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:
"Music is certainly an important part of The Tempest," says Professor Lindley. "It is an important means by which Prospero exercises his power, and it moves the characters round the stage. It puts the characters to sleep, it wakes them, it cures them of their madness, it propels the action."
You should add 'es"......