RE1-UNIT2A

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1. When we go on a trip to discover new places and have exciting experiences, we call it an ______. （）
2. After two years of cycling through 12 countries, Gregg "eventually" reached Ushuaia, Argentina, which means he ______ got there. （）
3. After walking for many hours through the jungle, we ______ found the hidden temple we were looking for. （）
4. The map showed the best ______ to take through the mountains, marking all the safe paths. （）
5. The "ruins" of Tikal in Guatemala are the parts of the ancient city that remain after it was damaged. "Ruins" are ______. （）
6. Our ______ across the desert was 100 kilometers long, taking us five days to complete. （）
7. The ______ stone walls of the castle showed it was built hundreds of years ago. （）
8. Gregg advised travelers to be "flexible" and not plan everything, meaning they should be ______. （）
9. After four years of planning, Gregg and Brooks were finally ready to "set off" on their trip. To "set off" means to ______. （）
10. We saw the broken ______ of an old village that no one had lived in for centuries. （）
11. When our first plan didn't work, we had to be ______ and try a different way to solve the problem. （）
12. Climbing the high mountain was the biggest ______ of our trip, but we felt proud when we succeeded. （）
13. Scientists love to ______ unknown caves to learn about the rocks and animals inside. （）
14. We decided to ______ early in the morning to avoid walking during the hottest part of the day. （）
16.

Desert Adventure

Our desert ___ (distance/adventure/ruins) began with careful planning, as we needed to cross a ___ (flexible/distance/route) of nearly 50 kilometers under the burning sun. We quickly learned we had to be ___ (ancient/challenge/flexible) with our daily goals, sometimes traveling further when we found shade, other times resting during the hottest hours.

On the third morning, we ___ (set off/eventually/explore) found what we were looking for - the ancient walls of the ___ (adventure/journey/ruins) half-buried in the sand. Among the stones, we discovered some___(ancient/flexible/distance) objectes. This archaeological ___ (challenge/route/exploration) taught us more than we expected - not just about history, but about patience, teamwork, and respecting the beauty of the desert.

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