A、The west coast of Canada. B、A British seaside resort. C、Sardinia. D、The Rocky mountains. A对话中男士提到他所去过的地方中，最喜欢的是加拿大的两海岸，故答案为A)。

W: How many countries do you think you’ve been to?
M: Once I made a count of how many countries I’d visited through and it came to 28.
W: Oh, incredible! Are there any of these that you feel you really would like to go back to?
M: As for the places I went to, for example, a British seaside resort, the Rocky Mountains, there are two places I would like to go to.(19)The west coast of Canada is my favorite and Sardinia is also OK.
W: Why do you like the two places?
M: As for the west coast of Canada, I think it is very rich culturally, it is very bright, and it has a very pleasant climate.
W: What about Sardinia?
M:(20)It is good for holiday. I find it is one of the quietest, most unspoilt parts of Europe that I’ve ever seen.
W: What makes you want to go visiting like this?
M: Oh! On one hand, I feel completely alive every minute of the day. On the other hand, I feel I have a tremendous amount of experience to bring back; there is so much to share with others.
W: But it can also be a little bit dangerous at times too, doesn’t it?
M:(21)It can certainly be dangerous if you’re doing it alone. So I avoid traveling alone wherever I can.
W: Whom do you usually go traveling with?
M: I mostly go with people I know very well. Sometimes, I also go with new acquaintances. I think this is part of the travel discovering the person you’re traveling with and discovering the differences in taste.
19. Which place does the man seem to like most?
20. Why does the man like Sardinia?
21. How does the man deal with danger in his traveling?