This dictionary cost you ten dollars,急等

问题描述:

This dictionary cost you ten dollars,急等
This dictionary cost you ten dollars,
A does it
B is it
C doesn' t it
D didn' t it

D
首先反义疑问句前肯后否,所以C和D又可能
而DICTIONARY是单数,如果是一般现在时COST+S
所以确定是过去式·(COST三型一致)
故选D