How big is your dog?

问题描述:

How big is your dog?
Mine is______yours.
A.as twice big as B.twice as big as

选B
意思:你的狗有多大个?
我的狗有你的两倍那么大.
说A是B的多少倍怎么样的时候,固定的语序是:
A+ be动词+ 倍数词 + as + 表示怎么样的形容词+ as + B