请问老师：she had since been rushing off to the library a little more often than was strictly necessary for somebody who had no homework to do.加下划线的部分省略了什么主语？
Or so the thinking has gone since the early 1980s, when juries began holding more companies liable for their customers' misfortunes.请问这里的has gone怎么翻译，go可以表开始也可以表消失是吗？
He has since deleted the post but all of the NBA's official Chinese partners have now suspended ties with the league as it continues to grapple with the fallout.如何理解这里的as？
Cline introduced her ideal，a Brooklyn woman named Sarah Kate Beaumont, who since 2008 has made all of her own clothes—and beautifully.and beautifully是什么语法结构，这个and感觉好奇怪，句子里只有一个状语beautifully，所以and是并列什么？这是参考里的结构图
下面两个虚拟语气的句子时态用得对吗？
If he was in New York, he could have met my sister. 如果他在纽约，他就能见到我妹妹了。
If they were in the army, they would have been fighting in the jungle most of the time. 如果他们在服兵役，他们...
...只能是 sb should do? 只能表示对过去的虚拟？2.从句的虚拟时态不受主句时态的影响吧？3.had thought that 与thought that接虚拟语气的规则是什么呢？4. 在believe,expect,think等否定与疑问形式中，从句可以用sb should do或者sb should have done.请...
... with the climate change crisis.第58题填are，与questioning构成进行时态。第59题填changing，请问这个changing如何分析？它是与questioning并列，还是与pushing并列。如果与questioning并列，那它就是进行时态的一部分，承前省略了are；如果是与push...
...ver skin, and a bright red tail. The fish, which has since been sent to a museum where it is being examined by a scientist, is called an oarfish. Such creatures have rarely been seen alive by man as they live at a ...