1、You can buy a round-trip ticket. A round-trip ticket saves you about 15% of the fare.
您可以買張往返票，往返票為您節(jié)省大約15％的車費。

2、How much is a round-trip ticket to Kaoshiung?
到高雄的來回票多少錢一張？

3、Could you please tell me how much is a round-trip ticket to Los Angeles?
請你告訴我到洛杉磯的來回程機票要多少錢？

4、How much is a round-trip ticket to Kaoshiung
到高雄的來回票多少錢一張？

5、How much is a round-trip ticket to London?
到倫敦的來回機票多少錢？

6、"How much for a round-trip ticket " the girl asked quickly
那女孩匆忙地問: “來回車票多少錢？”