Yesterday, I came across my former classmate, but his name ________ me, which made me embarrassed.

Many animals _____________the same fate as the large extinct elephant because of the environment.

---Why was Mr. Li so happy this morning?---Because he was        with an award for excellence in teaching.

(2014·安徽省芜湖三校一模)A recent study has  ________an unexpected conclusion that the African elephant should be divided into two different species.

China’s economic and social development requires more substantial reforms, as unnecessary government influence on the private sector has _______ an abuse of authority.