改错one day,while a fat frog and a thin frog were

发布网友发布时间：2023-09-22 11:20

共3个回答

热心网友时间：2024-12-12 20:52

Were -> are

热心网友时间：2024-12-12 20:53

searching for追答One day, while a fat frog and a thin frog were searching for food.

热心网友时间：2024-12-12 20:53

while去掉

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