Question

(   ) 4. The little boy doesn't speak      his brother, but his written work is very good.

A. so well as    B. so better as 

C. as good as    D. so better as

Answer 1

4. A as — as…意为"如……一样"，其否定形式为not so/as...as…，中间接形容词或副词原形；此空应为副词修饰谓语动词speak。