sandy is ______{fat}than mary .mary is___{thin} than sandy.怎么写
问题描述：
sandy is ______{fat}than mary .mary is___{thin} than sandy.怎么写
答
Sandy is (fatter)than Mary .Mary is(thinner)than Sandy.
句意：珊蒂比玛丽胖.玛丽比珊蒂瘦.