题目内容
1. There were many trees in the park three years ago.(改为一般疑问句，并作否定回答)
many trees in the park three years ago? ， .
1. Were there,No ,there weren’t
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题目内容
1. There were many trees in the park three years ago.(改为一般疑问句，并作否定回答)
many trees in the park three years ago? ， .
1. Were there,No ,there weren’t