1. Can people send letters to the people on Dongdo?
Yes, they do. There is a postbox on Dongdo.
2. When was Dokdo first recorded as part of Korea?
It was first recorded as part of Korea in the 500s.
3. What is the temperature on Dokdo?
It is around 12 C.
4. Why is the rock called Elephant Rock?
Because this rock looks like an elephant drinking water.
5. When was this four-story house built?
It was built in 2011.
6. What is a heliport?
It is a place where helicopters take off and land.
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Would you check the questions and answers? Are they all grammatical?