形容词比较级的规则单音节词末尾加er写15个 单音节词如果以e 结尾,只加r写15个.闭音节词如末尾只有一个辅音字母,必

smarter stronger weaker smaller higher lower taller shorter harder longer fewer faster slower younger older broader
wider larger nicer braver later
bigger fatter thinner wetter hotter
easier happier heavier earlier healthier drier busier lazie