1. Lila is dead. Ditto three girls and one boy. 2. Ditto for the sugar in soda and many fruit juices. Above all, stay hydrated: Dehydration is a powerful energy sapper.请问老师这里ditto是指代内容吗？为什么不是一个完整的句子？谢谢解答！
1.In fact,people are always the ones who mostly concern about the world peace.2.This is a novel concerned peasant life after reform.如第一句中为什么用concern是错的，而用 are concerned？（关心为什么需要被动？）第二句中我用concerned正确吗？
...erve a purpose,which is that they tell your friends and familywhat you did in your personal life that mattered to you over the year.不过这些文字有个作用，就是告诉你的亲朋好友这一年你在个人生活中做了哪些对你来说重要的事。
Once Mattew grew comfortable speaking a word, he would stop using the sign that stood for it.请问上面例句中comfortable后面是否省略了一个介词（比如with 或者 in）？如果是的话，请问什么时候省略？什么时候不省略？还是随意？如果不是，请问此处...
The sales assistant looks down at the counter in a way that seems to
reveal a desire to begin clawing his own face.这句话中里desire和to之间是不是省略了一些句子成分，省略的是什么？如果没有省略，麻烦说明一下为什么，谢谢!
各位老师们，请问:Whether we can have clean
drinking water lies in what effective measures will be taken by the
government about water pollution. 句中的what成分如何分析？what是可以做限定词修饰名词吗？和what time is it？类似，有没有相关的语法点?
请问 agreeable和pleasant的含义都是 “令人愉快的“ 或”宜人“ 含义时，它们的意思和用法有什么区别？例如： 1. They spend an agreeable/pleasant evening together.2. What a agreeable/pleasant surprise.3.It's a agreeable/pleasant environment to work in.
He arrived in the
afternoon, when nobody was home.
This is the town
where I was born.
I visited Paris,
where I spent a wonderful week.
请问老师，when的先行词是arrived吗？二三句中，where的先行词分别是 the town和visited吗？
from an unstimulated flaccid state within 3 to 5 seconds of the onset
of any form of stimulation上面是一个介词短语，曾经专门请教过曹荣禄老师，但是当初曹荣禄老师认为这里的within短语绝对不可能作定语修饰名词词组 an unstimulated
flaccid state，曹老...
generous 通常用于 It is generous of sb to do sth。如：
It was generous of you to give us so much money. 你给我们这么多钱，真慷慨。
但是可以用于 sb is generous to do sth吗？比如下面这样改一下：
You were generous to give us so much money. 你给我们这...