照样子：例子：big-----bigger------biggest
问题描述：
照样子：例子：big-----bigger------biggest
1,taii--- --- 2,good---- --- 3,thin--- -----3,thin--- -- 4,slow--- --- 5,fast ---- --- 6,smll--- --- 7,cheap--- --- 8,heavy--- ---
答
tall taller tallest
good better best
thin thinner thinnest
slow slower slowest
fast faster fastest
small smaller smallest
cheap cheaper cheapest
heavy heavier heaviest