以I開頭的單詞:it,is,ice,idea,if,ill,image(肖像),imitate(模仿),immediate(立即的),import,important,improve(提高),impossible,in,income(收入),incident(事故),include(包含),increase,indeed,independent,industry,infect(傳染,感染),inform,influence,inhabit,injure(損害,傷害),ink,inquire,insect insert(插入),inside,install(安裝),instant,instead,intend,interest,into,indroduce,interview,invention(發(fā)明),inverse(相反的),island...
以O開頭的單詞:obey(服從),observe,obtain(獲得),obvious,occur(出現(xiàn),發(fā)生),ocean,october,of,off,offer,office,often,oil ,ok,old,olympic,on,once,one,only onion,open,operate(操作),opinion(意見),or,orange,orbit(運行軌道),order,ordinary,organ(器官),other,ought,our,out over,own,ox...
以M結(jié)尾的:film,cream,slam(猛然關上),form,from,steam(水蒸氣),idiom(成語,習慣用語),madam,firm,film,inform,perform,storm,whom,drum,sum,mum,swim,him,kim,team,term,dream,scream,stream,jam,am,dam,ham,exam,gram...