The college student lost his life trying to save the drowning child, ______ he will always be remembered.

What do you wantwhenyou grow up

Tom has passed the final exam.—______! He never really worked hardbefore.

Who is the man over there Is it Mr. Li –No, it _______ be him. Mr. Li is much taller.

依次填入下列横线处的关联词语，最恰当的一组是(　　 )当前全国安全工作形势严峻，出现了种种问题，________有多方面的原因，________根本原因在于原有体制的弊端没有消除，有些政府官员安全责任意识不强。________，要尽快扭转这种局面，________通过进一步深化安全改革，________能实现。