Question

12.Bob never does his homeworkMary. He makes lots of mistakes.

   A. so careful as   B. as carefully as

   C. carefully as     D. as careful as 

Answer 1

12.B   句意:鲍勃做家庭作业从没有玛丽那样仔细。他会犯很多错误。所缺词在题干中作状语修饰动词如，用副词;表示 “没有 那样仔细”，用“not/never as/so + carefully + as”。