1.含有bb,cc或dd的单词rubber(橡皮)rubbish(垃圾)shabby(破旧的)accident(事故)succeed(成功)success(成功)successful(成功的)sudden(突然的)suddenly(突然)2.含有ff或gg的单词affair(事件)coffee(咖啡)difference(差别)different(不同的)difficult(难的)difficulty(难事)offer(提供)office(办公室)officer(军官)official(官员)suffer(受苦)suffering(痛苦)struggle(斗争)suggest(建议)3.含有ll的单词actually(实际上)allow(允许)balloon(气球)collect(收集)college(学院)dollar(美元)excellent(极好的)fellow(家伙)follow(跟随)hello(喂)million(百万)pollute(污染)pollution(污染)really(确实)satellite(卫星)shallow(浅的)silly(傻的)spelling(拼写)umbrella(伞)valley(山谷)village(村庄)volleyball(排球)wallet(钱夹)willing(乐意的)yellow(黄色的)4.含有mm的单词command(命令)common(普通的)communism(HYPERLINK"http://wenwen.soso.com/z/Search.e?sp=S%E5%85%B1%E4%BA%A7%E4%B8%BB%E4%B9%89&ch=w.search.yjjlink&cid=w.search.yjjlink"\t"_blank"共产主义)communist(共产主义者)grammar(语法)hammer(锤子)programme(节目)summer(夏天)5.含有nn的单词connect(连接)dinner(正餐)funny(可笑的)sunny(晴朗的)manner(方式)manners(礼貌)penny(便士)tennis(网球)6.含有pp的单词appear(出现)disappear(消失)disappointed(失望的)appreciate(感激)happen(发生)happy(幸福的)opposite(相反的)oppress(压迫)supper(晚饭)supply(供应)support(支持)suppose(假设)7.含有rr的单词arrow(箭)borrow(借来)carriage(四轮马车)carry(运送)correct(正确的)hurry(匆忙)interrupt(打扰)marry(结婚)merry(愉快的)mirror(镜子)narrow(狭窄的)quarrel(吵架)sorrow(悲痛)sparrow(麻雀)surround(包围)tomorrow(明天)terrible(可怕的)terrify(恐吓)horrible(可怕的)worry(使担忧)worried(焦虑的)8.含有ss的单词address(地址)assistant(助手)crossing(交叉点)discuss(讨论)discussion(讨论)glasses(眼镜)grassland(草地)guess(猜测)express(表达)expression(表达)impress(印)press(挤压)pressure(压力)oppress(压迫)necessary(必要的)possible(可能的)possibly(可能地)impossible(不可能的)passenger(乘客)progress(进步)Russia(俄罗斯)Russian(俄语)success(成功)successful(成功的)unless(除非)professor(教授)9.含有tt的单词attend(出席)attention(注意)attentively(专心)battle(战斗)bitter(苦的)butter(奶油)cattle(牛)cotton(棉花)matter(事情)pretty(美丽的)settle(安排)二、词形变化时要求双写HYPERLINK"http://wenwen.soso.com/z/Search.e?sp=S%E8%BE%85%E9%9F%B3%E5%AD%97%E6%AF%8D&ch=w.search.yjjlink&cid=w.search.yjjlink"\t"_blank"辅音字母的单词如下列动词：beg(乞讨)，drag(拖)，drop(滴下)，fit(适合)，get(得到)，hit(击中)，let(让)，nod(点头)，pu