My flat is 90 square meters; your flat is 180 square meters.(同义句改写)Your flat is big mine.Your flat is ____ _____ big ____ mine.

问题描述:

My flat is 90 square meters; your flat is 180 square meters.(同义句改写)
Your flat is big mine.
Your flat is ____ _____ big ____ mine.

Your flat is twice as big as mine.