乐乐：汉生，你去过动物园吗？    汉生：我还没去过。怎么去呢？    乐乐：你可以坐公交车，也可以坐地铁。    汉生：哪个更快？    乐乐：地铁更快一些。    汉生：好，那我坐地铁去。     Le Le: Han Sheng, have you ever been to the zoo?
Han Sheng: Not yet. How to get there?
Le Le: You may take bus or the subway.
Han Sheng: Which is faster?
Le Le: The subway is a little bit faster.
Han Sheng: Ok, i will take subway there.

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When commuting to work,taking either the subway or public bus. Which do you think is quicker? Lesson Content: Le Le :Han Sheng, Have you been to the zoo?
Han Sheng :No,I have not been yet.How do you go there?
Le Le :You can take the public bus,you may also take the subway.
Han Sheng :Which will be quicker?
Le Le :Subway will be quicker though.
Han Sheng :OK, I will take the subway than.

• subway [´sʌbwei]   n.地铁；地道   (英语四级单词)
• summary [´sʌməri]   a.&n.摘要(的)   (英语四级单词)