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2. 所有的鳥類有兩只翅膀。 1. Jack did his homework slowly. _____________________________________________________________________ 2. All birds have two wings. _____________________________________________________________________ 3. An elephant is often four meters tall. _____________________________________________________________________ 4. Do they live on the land? _____________________________________________________________________ 七 、 你最喜歡的動物是什么,寫 5句話。 from C. lives。 ( ) 1. friend