从方框中选择合适的选项完成对话（其中有两项多余）。 A:  How time flies!  Our summer holiday is coming again! B:  __ 1 __ A:  What are you doing for your holiday? B:  __ 2 __ A: Sounds good. __ 3 __ B:  My parents. A:  How are you going there? B:  __ 4 __ A:  I think traveling by plane is more comfortable than traveling by train. B:  But I think traveling by train is funnier than traveling by plane. A:  Maybe you are right. Anyhow I hope you have a nice journey. B: __ 5 __ A. Thanks a lot. B. I am planning to visit my grandparents in my hometown. C. Maybe by plane or by train. D. Yes, that's true. E. Who are you going with? F. Where are you going for your holiday? G. That's a good idea.