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試卷：無年度 - 自編---第四冊Lesson 4(文法部分) You Have To Pass The Ball Carefully#8577 | 科目：國中◆英文

試卷名稱：無年度 - 自編---第四冊Lesson 4(文法部分) You Have To Pass The Ball Carefully#8577

科目：國中◆英文

(　　)4. The old man watched his grandsons playing ________ on the playground.
(A) happily　
(B) happiest　
(C) happy　
(D) happier

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