gửi bạn 🙆♀️
I
1. what is the highest mountain in the world ?
2. where is the grand canyon ?
3. how much rain does the atacama desert receive per year ?
4. how long is the nile river ?
5. how old is mt. everest ?
6. which one is taller, victoria falls or niagara falls ?
7. when was thien duong cave discovered ?
8. how can visitors get to angel Falls ?
II
1-d
2-g
3-e
4-f
5-a
6-b
7-c
