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。选项中有两项为多余选项。
—Hello,Professor Smith.The summer vacation is coming.
—I am going to Miami Beach,Florida for two weeks.
—How will you get there?
—   
—Does it cost a lot?
—No.The cost is lower out of season.It is my first time to travel by air. .
—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
—    .
—Yeah,they are crossing off the days on the calendar.Are you going go Europe again this summer?
—No,not this time. .
—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.