【when he was born he looked like a white mouse】

问题补充：

when he was born ,he looked like a white mouse.同义句 when — — — — ,he looked like a ……同上问题输入不下了……

答案：

when he was given birthed,

======以下答案可供参考======

供参考答案1:

when born, he looked like a white mouse

供参考答案2:

网速慢，为什么？/