Whentheideaofwinninginsportsiscarriedtoexcess,____competitioncanturnintodisorderandviolence.
Ilongtoalleviate__________,butIcannot.
You’dbettersing.Itdoesn’t______whetheryoucansingwellornot.
Ifasubstanceisdissolvedinwaterorheated，itmay（）agas.
Frankalmostneverreceivedanyeducation，（）?
邮箱：