为什么用much cheaper不用more cheap

为什么用much cheaper不用more cheap the watch is much cheaper than that one 为什么用much cheaper 为什么不用more cheap It costs too much中为什么用much 不用many Traveling will be much cheaper and easier.中为什么easier前不加much 总搞不懂much 和much more修饰形容词时怎么用?比如我知道更便宜是much cheaper但是我想知道,为什么不可以用much more cheap呢? much homework 为什么不用many 西班牙语提问,下面这句为什么要用va 不用vas?¿ cómo te va el trabajo,Nuria 为什么用how much weight不用how many weight 为什么用too much eating而不用too many? He is _____taller then her 用much 为什么不用more have much influence为什么用influence而不用influenced mary is much taller than Tina 为什么用much而不用more How much paper do you use every year?为什么用How much 而不用How many I ate too much cake这里为什么用much而不用many much of the country is covered by snow...为什么用much不用most he didn’t know much about the harmful effects on smoking,为什么用much,不用many If you travel in dependently ,book your tickets and hotel rooms; this can be _.A.a lot more cheaper B.much more cheaper C.more cheaper D.much cheaper 我的头都晕了 请问选什么还有为什么这样选? Travelling by air may be ____,but not so ____. 答案是quicker cheap 求解释为什么不用cheaper？