The old man is too old to walk.(改为同义句）
问题描述：
The old man is too old to walk.(改为同义句）
1.The old man ___ ___ ___ ___ walk on.
2.The old man is ___ old ___ he ___ walk on.
答
1.The old man isn't young enough to walk on.
2.The old man is so old that he can't walk on.