2. A: Have you ever tried an extreme sport?

B: Yes, I have. It was 10 years ago.

3. A: Have you ever swim with dolphins?

B: Yes, I have. It was last summer.

4. A: Have you ever ridden a camel?

B: Yes, I have. It was when I was 5 years old.

5. A: Have you ever climbed a mountain?

B: Yes, I have. It was last monday.