Here are the correct answers for each sentence:

1. I wish I **a. earn** enough money to travel around the world.
2. She was reading a book when a loud noise **b. was interrupting** her concentration.
3. The team **c. prepares** for the presentation when the teacher walked into the classroom.
4. At this time yesterday, our family **a. looked** through old photo albums together.
5. Patrick was tidying the attic when he **d. found** his secondary school yearbook.
6. These economy plane seats are really uncomfortable. I wish we **c. would travel** first class.
7. We wish we **c. could take** more photos during our trip to Japan.
8. Last week, the students **b. visited** an exhibition that displayed ancient Egyptian artifacts.
9. Peter wishes his brother **a. didn’t forget** to turn off the stove before leaving the house.

If you have any more questions or need further assistance, feel free to ask!