...g bananas also prevents them from bruising on the counter, which they’re more prone to do as they continue ripening.请问这句话中的which是否指代前文的bruising on the counter，如果是的话为何带入从句中却又不太对劲了？ which在从句中作何成分？do指代的是...
Mother and son lost contact when Nicholas was in his early twenties. 尼古拉斯20岁出头的时候母子就失去了联系。这里的mother and son（母子）前面没有用冠词，好像原来见过，father and son（父子）也不用冠词的，这是一种习惯吗？如果是 mother and ...
Does age influence the nature of Internet use such that younger participants use the Internet more for information?请问老师，such that一起用的时候such前经常有个be，那题中这种用法是怎么来的？他把such用作副词了吗
The development of mechanical timepieces spurred the search for more accurate sundials with which to regulate them.
这个句子是一个定语从句，然后which是sundial，them是timepieces ，这个句子还原应该是rugulate timepieces with accurate sundials.这样就没有主语了。
Unidentified illnesses in northwestern Congo have killed more than 50
people over the past five weeks, nearly half of them within hours after they
felt sick.这句话的nearly half of them后面是不是省略了dying现在分词？这是什么省略？这句话nearly half
of.....是独立主格？...
...m. after you've lived here for one or two years you get to know
the system and then that's quite good. You know how to use libraries and oh...
you get to know where to um... call in emergencies; um... you get to know... er...
trying to get a radio and understand the radio and all the... programmes t...
请问一下老师：Both 修饰词 and 修饰词+中心词，中心词的单复数如何确定？比如 Both your and my mom,这个地方只能用单数mom；但是我看到外网上用Both refining and petrochemical industries，柯林斯词典industry词条下有the
moter vehicle and textile indu...
Oversight may be weaker. And the development of vaccines and treatments adds to the risk of bribery and profiteering.老师您好,请问第一句是句号，第二句加了一个and 是否属于画蛇添足。