There is only one good,knowledge,one evil,ignance.

There is always only one truth! There is always only one truth There is only one thing___I can do. there is only one family under There is only one year between ___. There is just only one turth there is only one student in the classroom .对one There is only one good w( )——You make friend There is only one earth with not only human beings. there is going to be only one country there will be only one only one is perfect Knowledge is power．But there is one other thing that we must