Question

this book is 20 yuan . that book is 30yuan . so that book is ___ than this book .

A.expensive B.more expensive C.most expensive 写解释

Answer 1

this book is 20 yuan . that book is 30yuan .
so that book is ___ than this book .
选 B
这本书是20元。那本书是30元。所以那本书比这本书更贵。
两本书比较，用比较级 .more expensive

Answer 2

this book is 20 yuan . that book is 30yuan . so that book is __B_ than this book .
A.expensive B.more expensive C.most expensive 写解释
那本书比这本书贵，后面有than，需要加比较级，所以选B

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Answer 3

B than是比较级的标志，而且expensive是多音节词，所以比较级在前面加more