1. (2021·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，使每个句了在结构、句义和逻辑上正确。(提示：方框中有两个单词或短语是多余的。)

spread   drop   mean   put out   stared   courage  set out

1. （1） It will bring danger to all ocean life if sharks'numbers too low.
3. （2） We shouldn't forget where we came from as we on our new journey.
5. （3） Tom went to basketball practice with rather than fear in his heart the next day.
7. （4） They in disbelief at the black smoke rising above the burning building.
9. （5） John is and only thinks about himself and doesn't treat others nicely.