1. How many islands are on Dokdo?

- There are 91 islands on Dokdo.

2. How many islands are there on Dokdo?
- There are 91 islands on Dokdo.

3. How many islands does Dokdo have?
- It has 91 islands.

4. How many islands is Dokdo made up of?
- There are 91 islands on Dokdo.
- It has 91 islands.
- It is made up of 91 islands.
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Are the questions and answers all possible? Correct errors, please. Thank you.

Is Dokdo a group of islands? Ah yes, I see it is.

I'd use "in" or "among" in sentences 1 and 2, then.

Otherwise, everything looks good!

Thank you. I corrected some.

1. How many islands are in Dokdo?
- There are 91 islands in Dokdo.

2. How many islands are there in Dokdo?
- There are 91 islands in Dokdo.

3. How many islands does Dokdo have?
- It has 91 islands.

4. How many islands is Dokdo made up of?
- There are 91 islands in Dokdo.
- It has 91 islands.
- It is made up of 91 islands.

1. How many islands are on Dokdo?

- There are two main islands on Dokdo, also known as Takeshima. They are called Dokdo (or Liancourt Rocks) and Seodo.

2. How many islands are there on Dokdo?
- There are two main islands on Dokdo, Dokdo and Seodo.

3. How many islands does Dokdo have?
- Dokdo has two main islands, Dokdo and Seodo.

4. How many islands is Dokdo made up of?
- Dokdo is made up of two main islands, Dokdo and Seodo.