1.Whatever you learned here will be useful for you in the future.2.One will achieve nothing without great aims.3.It is widely believed that the busman should be responsible for the security of the passengers.4.I would like to tell you more about this,but I can't spare anytimeright now.5.The citizen responsed positively toward the government's new housing policy.6.Sooner or later we will face the fact that we have to leave our parents and live independently.