1.Further efforts should be made to decrease the cost of production

　　2.The local government has set up a number of colleges and technical schools to meet the needs of the rapidly expanding economy in the region.

　　3.The school authorities have done much in the way of improving working and living conditions for the teachers.

　　4.Ways must be found to assure our children a decent start in life.

　　5.In order to stabilize the economy,the government must work hard to lower the rate of inflation

　　6.A great deal has been done to protect the children from the harmful influence of bad books.