How's your vacation?
How did your vacation go?
How do you feel about your/the vacation?
What do you think about your vacation?
What do you think of your vacation?
Was the/your vacation...
holiday 可以替代vacation,但是vacation更准确
How's your vacation?
How did your vacation go?
How do you feel about your/the vacation?
What do you think about your vacation?
What do you think of your vacation?
Was the/your vacation...
holiday 可以替代vacation,但是vacation更准确