this building is -------- taller than that one.

第一个 too much
too much是too修饰much,是对much的语气加强.在用法上和much一样,后接不可数名词或比较级形式.
第二个much too
much too是much修饰too,是对too的语气加强,在用法上和too一样,后面接形容词或副词的原级.