1. (2020·武汉) 仔细阅读下面五个句子，然后用下面方框中所给的单词或短语填空，使每个句子在结构、句义和逻辑上正确。（提示：方框中有一个单词或短语是多余的。）

personal / move up / travel / possible / leave / worry about

1. （1） It's wrong and dangerous to children under a certain age alone in the house.
3. （2） As you walk there, you can feel the energy from your feet your body.
5. （3） Maybe you fear that you won't be able to find anything good to eat when you .
7. （4） The first resolution is about my own improvement.
9. （5） This story reminds us that you can never know what's unless you try to make it happen.