What are the two reasons to shape the Grand Canyon?
举一反三
- 3. The Grand Canyon in the United States is a huge canyon, ____.
- Grand Canyon State refers to _____.
- How deep is the Grand Canyon?
- —Hi, welcome back! ______ to the Grand Canyon?—Amazing. The Canyon was truly a masterpiece. I loved the view!? What about taking a trip|How was your trip|What was your favorite trip|Did you take a trip
- Carl has been to the Grand Canyon before.