问题描述：
用括号里的词适当形式填空,说出理由
1、---where______(be)you at 3:00 yesterday afternoon?
---l_______(be)at the Dinghu Mountain.l_______(hike)there.
1、---where______(be)you at 3:00 yesterday afternoon?
---l_______(be)at the Dinghu Mountain.l_______(hike)there.
问题解答：
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