【用戶】Yi Ting Chu
【年級】大一上
【評論內容】Q:The old man watched his grandsons playing ________ on the playground. (這個老人看著他的孫子們在操場快樂地玩耍。)(A) happily (adv.)快樂地 (B) happiest (adj.)最快樂的(最高級)(C) happy (adj.)快樂的(原級)(D) happier (adj.)比較快樂的(比較級)