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

(2014·银川一中第四次考试)When I was very young，I was terribly frightened of school，but I soon________it.

With economy developing at great speed, our city has _____ quite a few changes in recent years.

 She is a well­known doctor now, but she ________ as a cleaner at the hospital for five years.

Soon all the people at the meeting_____ on the discussion of developing the local education.