Question

The ice in the lake is as ________ as it was before．

1. A.
   thin
2. B.
   thinner
3. C.
   thinnest
4. D.
   the thinnest

Answer 1

A
as…as…像……一样……，前一个as为副词，修饰形容词、副词的原级，第二个as为介词，“像……”。英语中修饰形容词或副词的原级的还有：too, very, so, quite, rather等。