After he was promoted to the present position,he is not so hardworking as he ______.

问题描述:

After he was promoted to the present position,he is not so hardworking as he ______.
A.was used to B.used to be C.was used to being D.used to

答案B 考查的是不定式的省略.as后面引导的是比较状语从句,且该从句存在省略,即:he is not so hardworking as he used to be hardworking=" he" is not so hardworking as he used to be.句意:在他被晋升到目前的职...