根据对话内容，从对话后的选项中选出能填入空白处的最佳选项.选项中有两项多余选项. (E="=AB " F="=AC " G==AD)
-- Hello, Professor Smith. The summer vacation is coming.   61 
-- I am going to Miami Beach, Florida for two weeks.
-- How will you get there?
--   62    
-- Does it cost a lot?
-- No. The cost is lower out of season. It is my first time to travel by air.   63    
-- Don’t worry. Are your family going with you?
-- Yes. We plan to go swimming in the ocean, enjoy the sunshine on the beach and go water-skiing.
--  64   
-- Yeah, they are crossing off the days on the calendar. Are you going go Europe again this                
summer?
-- No, not this time.  65   
-- Egypt? It is really a place full of mystery. Have a good trip.
-- Thank you. The same to you.
A. In fact, I am a little nervous.
B. When are you leaving?
C. What’s your plan for the vacation?
D. I plan to go there by train.
E. I will fly to Miami from New York.
F. I am going to visit some old friends in Egypt.
G. Your children must be excited about it.