请教曹老师，刘老师，曹老师几个关于of的表达：a maximum of 7 days. （这里的of 7 days做后置定语，表示同位关系）the last 90 days of historical data. 近90天的历史数据 是否也是historical data 做后置定语？ 3 days of moments ...
talking of…/ when taking of… 的逻辑主语要不要与句子主语保持一致？老师说不需要保持一致，但老师举的例子其实都是一致的：
Talking of travel, have you been to Athens yet? 说到旅行，你去过雅典吗？
Talking of Jim, have you heard t...
I have seen trees, _____ open at sunsise and close at the sunset.A of which leaves B whose leavesThere are altogether elenven books on the shelf of which five are mine.请问什么时候才能of which后加名词？第一句跟第二句的区别是什么？
... trees, and then I noticed a man standing23 there directing them, a sort of foreman, and began to wonder what on earth was going on, and then on the ground I saw there were all these polythene buckets and they were full of pine cones24 and of course what they were doing was collecting pine cones...
The role those anthropologist:ascribe to evolution is not 【of】dictating the details of human behavior but one of imposing constraints-ways of feeling,thinking, and acting that "come naturally" in archetypal situations in any culture.请问这里的of是什么用法？放在这句话里怎么...
In China,
with the advent of an aging society,
elderly care has become a topic of
widespread concern.问1: aging society给的翻译为老龄化社会，这里的aging怎么理解？问2:经常出现的sth of
concern中的of可否理解为be of中的of？即of译为存在…？问3: elderly care老...
...的原文：By supplanting the alpha individual, they could gain control of the whole group or of individuals as in the case of dogs.问题一：为什么是 gain control 是与 of 搭配呢？问题二：in the case of 好像不是“就……来说”意思，这里应该怎么理解？问题三...
Tangshan city has
proved to China
and the rest of the world that in times of disaster, people must unify and show
the wisdom to stay positive and rebuild for a brighter future.句子来自2019版人教版高中英语新教材必修一的 Unit 3（p50）。请问这里的in
times of 可以说成 in ...