----- Nội dung dịch tự động từ ảnh -----
1. Christopher Columbus was a famous Italian **explorer**. (EXPLORE)
2. My teacher said volcanic activity **forms** the mountains that we see today. (FORMATION)
3. Francisco de Orellana was the first European to make an **explore** of the Amazon River. (EXPLORE)
4. The cave is not **accessible** because of its narrow entrance. (ACCESS)
5. Junko Tabei was the first **mountaineer** to reach the summit of Mount Everest. (MOUNT)

6. Make sentences using the prompts.
(1) I think ...