Sure! Here are the rewritten sentences from 10 to 15:

10. Jason and his friends are going to take a trip tomorrow.
→ Let's go on a trip.

11. She plans to start a new job next week.
→ She is going to start a new job next week.

12. Their parents do not allow them to go out in the evening.
→ Their parents do not let them go out in the evening.

13. We can't avoid pollution if we don't find other fuels.
→ It will be impossible to avoid pollution without finding other fuels.

14. She prefers doing the cooking to tidying up the house.
→ She would rather cook than tidy up the house.

15. We were surprised to see Pamela at the party.
→ We did not expect to see Pamela at the party.