I personally thought none of this sentences were opinions, but I guess the more opinion-like one is "aunt amanda and uncle robbyare happily married"
Answer:
Next to
Explanation:
In order to show that your computer is next to your book, you would you the preposition next to.
1. Age
2. A mushroom
3. Mount Everest still lol it just wasn’t discovered
The story takes place in the near future on Mars