A：（Where are you going,你要做什么）,
B：I'm going camping for the summer vacation?
A：That sound interesting.（Who are you going with,你要和谁一起去）?
B：With my parents
A：（Where are you going,你要去哪）?
B：To the West Hill.
A：（How long will you stay there,你要在那里待多久）?
B：For three or four days.And we'll be back next Sunday?
A：I hope you'll have a good vacation.
B：（Thank you,