He is said to have been ______ to researching into wild animals in Africa for more than ten years.

    A. absorbed                B. concentrated         C. devoted                  D. focused

 He is said to have been ______ to researching into wild animals in Africa for more than ten years.

    A. absorbed                B. concentrated         C. devoted                  D. focused

—Tom is said to have been accused of mismanagement．

—It’s not fair．I don’t think him the person            for what happened．

A．to be blamed                                   B．to blame

C．blamed                                           D．blame

---- Li Yuchun is said to have been invited to 2014 CCTV Spring Festival Show.

---- Really? It’s been a long time ___________ she won the champion in Super Girl in 2005.

A. since                                 B. that                                  C. when                                D. before