I decided that the best way to do this was______an air hostess为什么空格里面填 to be而不是being?

I decided that the best way to do this was______an air hostess为什么空格里面填 to be而不是being?
I decided that the best way to do this was______an air hostess
为什么空格里面填 to be而不是being?

I decided that the best way to do this was______an air hostess为什么空格里面填 to be而不是being?
是将来,不是现在

选择做某个职业，就是to be啊，不要用现在的状态去想过去的时态