t facts, we can’t form a correct opinion, for we need to have actual knowledge________our thinking.

I firmly believe, as long as Igreat efforts, my dream will come true sooner or later.

____ he does his work, I don’t mind what time he arrives at the office

Could you tell me ________— It’s twenty minutes by underground.

The coat is very beautiful _____ its design, but I don’t like its color.[ ]