Chọn vị trí chính xác cho các từ trong ngoặc 1．明天的唱歌比赛…你们….准备….了…..吗？ （好）
2. 今天早上我….睡….九点， 所以….来….了。 （到）
3. 我答A对B一道C题D. （了）
4. 我去A了书店 B三趟， 也没C 买D那本词典。 （到）
5. A 书店里B有C 三D 个人。 （只）
6. 桌子A 上B 三C 本书和D 两支笔 。 （有）
7. A 你B 瘦， 还C 想D 减肥。 （这么）

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Explanation:

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explanation: the line "to save the day, harry must get past a scary three-headed guard dog" from the summary best justifies the conclusion that harry potter and the sorcerer’s stone was influenced by ancient greek mythological literature. the three other choices had nothing to do with ancient greek literature - and the words "three-headed guard dog" are what makes that choice the correct answer.