这颗牙齿并不真的疼，但我一直能感觉到它。

The tooth doesn't exactly hurt, but I ___am ___conscious ___of it all the time.

我认为她非常意识到自己是办公室里唯一没有大学学历的人。

I think she ___is very ___conscious ___of being the only person in the office who didn't have a university education.

我们必须意识到我们正在破坏我们生活的世界。

We have to ___be ___conscious ___that we are destroying the world where we are living.