请教各位老师两个问题1、例句： He shows that a single desire, never given up on, can make for remarkable life.句中的never given up on，是非限的简化么，省略which is？ 有人说这是条件句的简化，我不太确定.2、例句：children spend four hours a day loo...
Lily’s and
Linda’s fathers are doctors.为什么father加s呢，and连接两个并列成分，所以Lily’s和Linda’s都是接father，应该是Lily’s
father and Linda’s father，所以这里的fathers应该用单数father啊，不然就变成了Lily’s
fathers and Linda’s fathers了...
2017年四级阅读一个句子Today, the EFK program operates over 144 branches in 32 states within the United States and in 21 countries.已经确定over是介词，在数量上多于的意思。这样over 144 branches成了operate的宾语。请问介词词组可以做宾语吗？
1.Sth would almost certainly have required sth2.This method would have severely risticted the range of the colonizing fleets.3.The number of breeding sheep would have considerably exceeded three hundred.请问would adv. have done 和would have adv. done中，adv的位置可随意互换吗？
原文：Another adaptation reducing the weight of birds is the absence of some
organs. Females, for instance, have only one ovary. Also, modern birds are
toothless, an adaptation that trims the weight of the head.同义替换：Modern birds do not have teeth, an adaptation that reduces the weight
o...
Speaking about its
"recipe", Wang says it's very dependent on location, water quality
and temperature, the delicate requirements of which just happen to match
Shiqiao's unique conditions.句中定语从句关系代词which前的介词of没有什么作用，我怎么觉得应该去掉，或者说这...
As a teen, she suffered from a serious sickness, which made her hair go
very thin. Seeing this, her mother arranged for her first professional haricut.
She said it had helped her feel ______(care) about and less alone.请问这个是feel 后接过去分词的用法么？表示被动关系？feel在...