In April, Maine became the forty-second state to approve the common core standards.

截止到四月份，缅因州是第42个接受《共同核心州立标准》的州。

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In April, Maine became the forty-second state to approve the common core standards.

截止到四月份，缅因州是第42个接受《共同核心州立标准》的州。

youdao