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定詞。 2. 表示語言、學(xué)科、三餐、球類運動、棋類運動的名詞前。 3. 表示星期、月份、季節(jié)、某些節(jié)日的名詞前。 4. 表示人名、國名、稱呼語或頭銜等專有名詞前。 5. 某些固定短語中。 如 : by bike , by bus, at first, at work, on foot, go to school, go to bed,等。 Fun in the zoo Millie and Daniel are talking about the animals in the zoo. Complete their conversation with a, an or the. Millie: Let’s go to the Panda House first. Daniel: Here we are. I can see(1) ___ panda there. It’s lying on the grass. Millie: How cute! I love pandas. Look! There’s (2)____ baby panda. It’s so small. a a Daniel : Yes. (3)_____ baby panda doesn’t look like its mother. Millie: Now let’s go to see some lions. Daniel: Are(4) ___ lions in(5) ___ open area? Millie: No, they aren’t. They are in(6) ___ very big cage. the an a Daniel : I see. (Half an hour later) Daniel: Millie, here’s(7)____ bridge. What can you see across it? Millie: Oh, (8)____ elephant is standing over there. Daniel: Let’s go ac