【正文】
. 第一次提到某人或某物時(shí)。 I have a book. 2. 泛指某一類的人或物。以元音音素開(kāi)頭的詞前用“ an”,以輔音音素開(kāi)頭的詞前 “ a” 。 Look! Here is a panda. The panda is eating bamboo. Look! Here is an apple. The apple is red. 1. 指上文提到過(guò)的人或物。 如: the sun the moon 3. 談到彼此都知道的人或事物。 如: She is always the first to get to school. 5. 樂(lè)器名詞前用。 如: the rich 有錢(qián)人 the Smith 史密斯一家 7. 某些專用名詞和習(xí)慣用語(yǔ)中用定冠 詞。 2. 表示語(yǔ)言、學(xué)科、三餐、球類運(yùn)動(dòng)、棋類運(yùn)動(dòng)的名詞前。 4. 表示人名、國(guó)名、稱呼語(yǔ)或頭銜等專有名詞前。 如 : by bike , by bus, at first, at work, on foot, go to school, go to bed,等。 1. Where is Peter? He isn’t at ___ school. 2. There is ___ orange in the fridge. 3. ____ pencil on the desk belongs to Sandy. 4. I have __ new bike. I clean ___ bike every day. an The a the 5. Dad often goes fishing in ____ summer. 6. A: Can I help you? B: I’m looking for ___ pair of shoes. 7. The students often go to school by ______ bike. 8. Who is good at playing ______ football in your class? 9. _____ boy in a red coat is my cousin.