7、ouldn'thelpthinkingthatTomwasadisappointmentandgothimoutofschool,whichmadehimverydisappointed.(disappoint)[拓展联想]否定前缀dis高频词汇①disappear vi. 消失②disagree/disapprovev.不同意③discouragevt.使泄气④disobeyv.不服从由后缀ment构成的名词①move-movement运动②enjoy-enjoyment享受③govern-g