13.all ready和already
all ready意思是"COBpletely prepared'’
already'‘已经”。He had already had his hmeh.
14.altogether和all together
altogether(in total)“总共”，
all together意思是“in a group'’。如：We put the sheep all together in one field.这两个词还可以分开。We put all the sheep together in one field.
15.besides和beside
besides意思是“in addition to”“加之，还有，另外”;而beside“在……旁边”，“在……一侧”。Duncan is the tall man standing beside my father.站在我爸爸旁边的高个子男子是邓肯。
16.coherence和cohesion
coherence"统一,一致性”;cohesion"结合力，团结”，The cohesion 0r molecules分子的结合力。，
17.compare with和 compare to
compare with'‘和……比起来”
compare to"好比”。He compared the moon to a silver plate.他把月亮比成一个大银盘。
18.impel和compel
impel"推动，驱使，激励”。impel sb.t0 do sth.激励某人做某事;
compel"强迫，胁迫，迫使”。compel sb.to oneg will强迫人服从自己。
19.complement和compliment
complement"补足(物)，补全”，“补足语”。
compliment"恭维话，赞辞，敬意”;Your presence is a great compliment.承蒙光临，不胜荣幸。
20.continual和continuous
continual"连续，继续”;“频繁的”;continual bouts 0f toothache一阵接一阵的牙痛。(这中间可能有停顿或间断。)
continuous"连续”(指从不间断的);we've had three weeks 0f continuous rain.我们这里连续三周下雨不停。
21.might和could
might表明“possibility'’。
could应该用来表明"permission".Mum said we could(might)g0 t0 the football match.
编辑推荐：
