Who made the pie? I did.

谁做的饼?我做的。

Who stole the pie? He did.

谁偷的饼?他偷的。

Who cried for the pie? We all did.

谁哭着要饼?我们都要。

Who ate the pie? You did.

谁吃的饼?你吃的。

Who found the pie? She did.

谁找到的饼?她找到的。