问题描述：
1.i'm writing a letter to my penpal.
对penpal提问?
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2.she visited her grandparents last summer holiday.
-- -- she --last summer holiday.
对her grandparents提问.
对penpal提问?
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2.she visited her grandparents last summer holiday.
-- -- she --last summer holiday.
对her grandparents提问.
问题解答：
我来补答展开全文阅读