David had a new friend to share his
adventures with and he was the
happiest. David and Alex became
inseparable. One day, Alex called
David to go over to his mud pen and
sit there, as it was raining outside.
When they got there, David felt a
little uncomfortable.
速度 (字/分): 0 | 正确率 : 100%|时间: 00:00
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