...ause he had a big fight with his dad the night before. because从句不用过去完成时是因为在从句里吗？ 试对比AWOL词条下的例句： Two soldiers had gone AWOL the night before.(类似例句太多) 谢谢老师！
...于哪些情况？He made it clear what he wanted.不是what引导的宾语从句吗，为什么错了？I think it no need talking about it with them.这个句子是对的吧？talking是动名词相当于名词，为什么结构中说不可以加名词宾语呢？“还需要看逻辑上what是否...
...ng D existed这里答案说选的是A ，因为than后面引导比较状语从句省略主语anxiety所以后面用谓语动词exists .那这样我认为over就应该是动词呀形成句与句之间的比较呀。anxiety over the perceived
risk of mountain climbing 与（anxiety）exists in the pub...
...and between the turn of the 20th century and the eve of World War II, at a timewhen newsprint was dirt-cheap and stylish arts criticism was considered an ornament to the publications in which it appeared.为什么这里的同位语能够用介词短语表达呢？
... that expanded the reach of science in innumerable directions中为什么of定语不只对use修饰，而是对the improvement and invention and use整体修饰，是因为the的原因吗？因为三个名词只有前一个有the。是这样吗？
先谢谢老师们了！
...吗？还有一个问题，如果两个时间状语放一起In February, when he went back, we got the answer we want.请问In February和when he went back是并列关系还是In February修饰后面when he went back, we get the answer we want.这个全句？一共是三个问题，谢谢老师!
The shortcomings of a small party pale into insignificance when set against the great benefits it will bring to us —time-saving and cost-reducing.请问：(1) benefits 和 it 之间为什么没有逗号？(2) it 指代的是什么？
... watch, he saw that it was one o'clock， but the bell struck thirteen times before it stopped.句中的 it stopped 用的是一般过去式, 在过去的过去应该用过去完成时，所以 strike 应该用过去完成时课时。新概念的作者的原文为什么表达 strike 这个动作...