从下列4个选项中,选择一个不同于其它3项的。(5分)(1)A. apple. B. bird C. orange D. pear(2)A.door B. window C. bed D. rubber(3)A. cat B. pen C. ruler D. rubber(4)A.thirteen B. fourteen C. lovely D. nineteen(5)A.mango B. grape C. pineapple D. tiger
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