- 1.Confucius lived over 2000 years ago, therefore his thoughts are outdated。2.Confucius lived over 2000 years ago, therefore his thoughts are outdated. ( )3.He finally agreed, ____ reluctantly, to help us.A.therefore4.We therefore hypothesized that TGF-? signally affected the induction of CD39 on Tregs.5.Tanks believe that the end （）the means, therefore, they will ride over you if you are in the way.6.The meaning of an utterance is decontexualized, therefore stable.7.This kind of exercise is most (challenge)（）, and therefore is a good test of the students’ ability.8.As a politician, he must be on the ball in the election.Therefore, he is（）.