1. Complete with: seaside, drive, sunstroke, boat, touristy, monuments, catch, track, book, boarded.

Решение:

1. Sam doesn't like to go anywhere too far off the beaten track.
2. I can't stand Kim and Ann. They make me crazy.
3. Tina likes to visit quiet resorts that aren't too touristy.
4. All the flights are delayed, so we are all in the same boat.
5. We always went on holidays when we were young.
6. Pollution is affecting many beautiful monuments around the world.
7. The luggage was loaded onto the plane as the passengers boarded.
8. Let's catch our flights now, so we can start organising the rest of the holiday.
9. You should wear a hat in hot weather and drink lots of water to avoid sunstroke.
10. If we hurry, we can drive the 10 o'clock train.

Ответ: track; boat; touristy; boat; holidays; monuments; boarded; catch; sunstroke; drive.