I remember WHEN this used to be a quiet village.是什么从句?

填空I remember ( )this used to be a quiet village I still remember -----this used to be a quiet village I remember ____ this used to be a quiet village. I still remember when it used to be a quiet village这句话中when引 1.I still remember _____ this used to be a quiet village. 1.I still remember ______ this used to be a quiet village. I remember________ this used to be a quiet village. A．when B I remember________ this used to be a quiet village.A．when B． I remenber ＿ this used to be a quiet village.A .when B.what ．I remember________ this used to be a quiet village. I remember -this used to be a small village.A when B where 名词性从句的选择题I remember_______this used to be a quiet village.A