用下列方框内所给的词或短语完成句子，每项只能用一次。

1．He            what he saw on his way to that mysterious place several days ago.

2．It’s so            outside. Something must be happening.

3．Teenagers shouldn’t be allowed to get their ears            .

4．You’ll never succeed,            you make up your minds to do all the things.

5．That man is a stranger. I don’t know him in the            .