分别写4个带有in-,im-,ir-,dis-,un-前缀的单词答:hi:un- unfinished(未完成的)undoubted(无疑的)unemployment(失业)unabashed(不害羞的)unable(不能的)unaccessible(难亲近的)unaccountable(不能说明的)unadjusted(未调整的)unaffiliated(非附属的)unhealthy(不健康的)in- inland,invade,inside,import im- impossible,immoral,inland,invade,...