d. (not) as + adj./adv. + as

How to compare: "as cold as ice"
quiz: http://www.engvid.com/english-grammar...

As - As
source: cursosdeinglesats

Comparatives and AS/AS
source: Englishbox online English lesson per webcam

Comparatives "as .... as"
source: soundgrammarvideo

Using 'AS'
source: learnexmumbai

comparing with LIKE & AS
source: English Lessons with Adam      2013年4月13日
quiz: http://www.engvid.com/english-grammar...

NOT SO ... AS  (comparisons)
source: MrSkypelessons     2016年12月12日
1) not so much to X as to Y
2) not so much X as Y
3) not so much + noun + as + subordinate clause

Comparing things with AS
source: Crown Academy of English     2017年5月9日

'As...as' expressions (BBC Learners' Questions)
source: BBC Learning English        2017年2月10日