Question

Tom never does his homework    Mary. He always makes lots of mistakes

1. A.
   as carefully as
2. B.
   carefully as
3. C.
   as careful as

Answer 1

A
as ···+as，表示像···一样，之间加形容词或副词的原级，本题修饰动词does要用副词carefully 故选A。 句意：汤姆做作业不想玛丽那样认真，他总是犯许多错误。