Question

Tom does his homework ________ Lucy．

A. as carefully as
B. so careful as
C. as careful as
D. so carefully as

Answer 1

答案A
此处用副词修饰动词；so…as只能用于否定形式中，肯定形式用as…as。

Answer 2

A
考点是as....as
是形容词或副词同级比较的句型，中间加原级，副词可以修饰动词，而形容词不可以修饰动词