It is said Great Wall is longest wall in the world.
A. the; the B. a; a C. the; a D. a; the
It is said Great Wall is longest wall in the world.
A. the; the B. a; a C. the; a D. a; the
A 本题考查冠词的用法。句意：据说，长城是世界上最长的城墙。Great Wall为世界上独一无二的事物，前面用the 修饰；形容词的最高级前应加the。