This is the most beautiful buliding that I have ever visited.此句中为什么用that而不用which?

this is his most important novel为什么不是the most This year,the money really is the most This is the most important e______ of the year. 连词成句 is This most story the interrsting This is one of the most famous( )in China.(church) this is one of the most famous---------(hero) names this book is the most expensive. 是什么意思? ~_~ This is the most interesting news I have ever told. This is the most i can do 怎么翻译 this restaurant is the most respectable one round. this book is the most interesting book this book is the most interesting哪个对?还是都对? This is the most popular style this summer.为何不是in this summer? this is the place most want to go.这里用most对吧? this is the computer which is the most expensive in the store.不对为什么? This is your most typical This seat is of the two.1.more comfortable 2.the most comfortable3.the more comfortable 4.most comfeotable this war is becoming the most iomportant story of this generation这句话是什么意思? Usually,this is the largest and the most complicated single piece of matal in the automobile.