unit 555 加无铅汽油
dialogue 英语情景对话
A:Fill it up with unleaded and check the oil, please. A:请加满无铅汽油，并且检查一下。
B:Do you want me to check the tires? B:需要我检查一下轮胎吗？
A:No, that's all for now. What does "come to? A:不用了，只加油就可以了。多少钱？
B:$10. 00. B:10美元。
