this book is 20 yuan .that book is 30yuan .so that book is ___ than this book .A.expensive B.more expensive C.most expensive
问题描述：
this book is 20 yuan .that book is 30yuan .so that book is ___ than this book .
A.expensive B.more expensive C.most expensive
答
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
答
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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答
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