Lucy is the cleverest of the two sisters.改错
问题描述：
Lucy is the cleverest of the two sisters.改错
答
改错:Lucy is the cleverest of the two sisters Lucy is the clever one of the two sisters. *用于三个或者三个以上的人和事物。 把
答
the cleverest 改为clever
答
the cleverest 改为the cleverer
应该是对的
答
Lucy is the cleverer of the two sisters
答
cleverest改为cleverer