题目：Put it, they, there or comparative/superlative adjectives in the gaps of the text.（根据上下文用it, they，there 或者形容词的比较级和最高级填空。） We all know what elephants look like – 1....................... are big, grey animals and have large ears and long trunks (象鼻). That’s true, but2...................... are two different kinds of elephants: African elephants and Asian elephants. 3.......................’s easy to tell the difference between them. African elephants have 4....................... (big) ears than Asian ones, and both males and females have tusks (长牙). 5....................... have very wrinkly skin and 6....................... have hollow backs (脊柱前凸). Also, 7....................... are two ‘fingers’at the end of their trunk. Asian elephants have 8....................... (small) ears and only the males have tusks. 9....................... have....................... (little) wrinkly skin and 11....................... is quite smooth. 12....................... have 13............................. (rounded) backs than African elephants and 14....................... only have one ‘finger’ at the end of their trunk. Today 15....................... are no 16....................... (many) than 500,000 African elephants and about 30,000 Asian elephants living in the wild. 17....................... is interesting, but a bit sad, to see elephants in a zoo. 18...................... are, of course, much 19....................... (happy) and 20.............................. (wonderful) in the wild.
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