问题 选择题 读一读，选择相应的词组，并写出数字。( ) 1. 5 A. fifteen books( ) 2. _____________B. five rabbits( ) 3. _____________C. seven rulers( ) 4. _____________D. thirteen apples 答案 1. B 2. D-13 3. A-15 4. C-7
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