since retirement he has enjoyed travelling as often as possible.as often as possible.在这里是副词短语作时间状语吗，但还是不明白as...as...有时加其它词就成了固定搭配引导了比较状语从句（as soon as..）？像 so..than..;（so than）;such..as..这些都是引...
Scholarly works on detective stories often begin with apologies,suggesting that there is something vaguely wrong with adults who spend their time reading such fiction and certainly something awry in those who devote energy to its analysis.
Of/Among more than 540 respondents who have individual public accounts on WeChat, 5 percent claimed that they had built popular "self-media" brands using their accounts, while 12.2 percent said they had made money from the accounts through advertising.这个句子是用 among 还是 of ？...
请解释这个句子中long ago的用法：Stone does not decay, and so the tools of long ago have remained when even the bones of the men who made them have disappeared without trace. 句子选自《新概念英语》4册第一课
The best strategy is to use the agent as a kind of tip service to keep abreast of jobs; when you get E-mail, consider it a reminder to check the database again.请问各位老师，这里的to后面的成分分析为后置定语还是目的状语合适？
... is the so-called big deal, where institutional subscribers pay for access toa collection of online journal titles through site-licensing agreements. 【参考译文】一种是所谓的大批量模式，即机构订阅用户通过网站许可协议方式购买在线期刊的阅读权限。【...
He complained about having been kept waiting so long.我知道complain不及物，因此需要介词about，那about后面的having been kept是什么成分？about和动名词的完成式的被动式合起来又是什么状语？waiting作什么成分？