问题描述：
句子补充单词
1 I this your pen?2 H do you spell the word key 3 you a a student 4 i a book 5 is thak your notebook in the i and foubd case
1 I this your pen?2 H do you spell the word key 3 you a a student 4 i a book 5 is thak your notebook in the i and foubd case
问题解答：
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