The astronauts found that ______ the spaceship went further and further into space, it became more and more difficult to control its own movements.
It worried her a bit ______her hair was turning grey.
_____ is a fact that English is being accepted as an international language.
_______ you don't like him is none of my business.
_______ you have done might do harm to other people.
No one can be sure _____ in a million years.