【C13】A．practiceB．processC．procedureD．program

In October 1970, the Rail Passenger Service Act ______.A、put into practiceB、was put inot

【C17】______A．practiceB．pleasureC．problemD．habit

A．wayB．processC．procedureD．action

【C17】A．phenomenonB．processC．modeD．pattern

Her great dream of becoming a writer has finally become______.A．practiceB．eventC．dutyD．rea

61._________A. stageB. processC. periodD. applica