Unit 1

Boy:Let's play a game.Question one:What's the most modern train in the world now?

Girl:Mm…I think it's the Shanghai airport train.

Boy:Right.Question two:What's the most expensive way to travel around London?

Girl:Maybe it's by taxi.

Boy:Correct.Question three:What's the cheapest way to travel around Beijing?

Girl:The bus.

Boy:Right.And question four:What's the busiest underground in the world?

Girl:I think it's the Tokyo underground.

Boy:Yes.Question five:What's the cheapest way from England to France?

Girl:Mm…Train?

Boy:Sorry,it's by ship.