一道专四的练习题:Some companies have introduced flexible working time with less emphasis on pressure _________.A. than more on efficiencyB. and more on efficiencyC. and more efficiencyD. than efficiency答案是B，帮我分析在句式上为什么A、C、D不可以？Thank you in advance!
Quick
to claim credit, the prime minister is nowhere to seen when things go wrong这是《经济学人》的一篇文章副标题。主标题是：As
a second wave devastates India, Narendra Modi vanishes标题里的be可以省略，但这里省略be有点怪异。老师们怎么看？感谢！
He recounted an incident being assaulted while walking home at night.请教老师，这句话中 being assaulted 是定语修饰 incident 吗？可不可以理解为前面省略了of，如果是，那这种省略有什么规律呢。多谢老师回答、赐教！
What changes should be made to the corporate culture so that the company’s performance can be further improved?be made to the corporate culture 介词to的用法，是否可以看成make sth for sb中介词for的用法？
The group has also weathered accusations that it reinforces self-hating stereotypes or being racist toward white people.
这里的being是和reinforce连起来看吗，reinforce doing?
...在分词作状语时与动名词复合结构的区别a. So many directors being absent, the board meeting had to be put
off.
由于很多董事缺席，董事会只好延期。
b. So many directors being absent caused the board meeting to be
put off.
很多董事缺席导致了董事会延期召...
... route, suddenly meet himself coming back, without a cent having been paid on account.请老师分析一下without a cent having been paid on account语法结构，其中，having been paid on account是现在分词还是动名词呢？