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问题 定语从句选择题

麻烦老师分析下面的两个题：1. I'm looking for a present for my mother's birthday, ___ she can use and at a reasonable price.A. which   B.one     答案为B，选A理解为非限制性定语从句为啥不对？如果在at前面加一个is的话，答案有变...

问题 to为什么要用to be

The family environment is widely believed to be the most important influence on children's development.其中的to be是做非谓语做宾语吗？为什么要用to be，是动词believe的固定搭配形式吗？

问题 how to do it 和what to do

有这样一句：You have to know how to study. 好像固定搭配应该是 how to do it 和What to do 吧！为什么此句省略了study 的宾语？或是因为此时study为不及物吗？

问题 not/no later than为什么词典说是同样的意思呢？

词典上说以下是同样的意思：not/no later than...by a particular time and not after it 不晚于…；不迟于…Please arrive no/not later than 8 o'clock. 请8点之前到达。可是语法书却上说，not+比较级+than 和 no+比较级+than 是不同的。not+比较级+than：就是...

问题 该用to use还是to be used

Additional combining forms are presented in this chapter to use in making words with suffixes. 此处to use应该是被用于的意思吧？是不是用to be use更合适？

问题 to do还是to doing

to什么时候是不定式的标志什么时候是介词？

问题 He always tells his friends that a dog is man’s be

这句话中that是关系代词么 ，还是名词从句，能解释一下么。 

问题 It is convenient to sb to

I don’t think it is convenient to him to meet her at the station. 我认为他去车站接她不是很方便。 请问这里为什么用 to sb to do sth 呢？英语不是通常要用 for sb to do sth 吗？

问题 was to 中的to 可以省略吗？

这是教美式发音的美国老师说的;This challenge was introduce somebody.是不是was后少了to呢？ 像这种to是必须有，还是可以省略呢？

问题 as作“像....一样”解时只能做连词，其后只能是一个句子，这里选a不对是吗？麻烦老师讲详细一点点，学生基础薄弱

问题：Cats never become submissive____________（a）as dogs and horses（b）in the way that dogs and horses do

问题 appear to be / seem to be 接名词时to be究竟能省略吗

... / seem 这类词在接名词的时候，究竟能否像接形容词一样 to be 可以去掉呢？(appear + n.)  我在网上搜索的时候，有的网站写接名词/形容词都可以省略to be，有的网站又写分情况（当名词前带有定冠词或物主代词修饰时），我被搞...

问题 to be playing to do it 怎么理解

But we need to be playing to do it.这连着的两个to都是宾语吗? 为什么它用进行时?

问题 at that time的含义

One element in the acceptance of the plan was that the company was selling essentially for the book value of its assets at that time the program was introduced; therefore, an upward movement in its stock price was relatively likely.请问这句话可以得出“the company was selling essentially fo...

问题 to hold和to be held的区别

I will attend the meeting to be held next week.I will attend the meeting to hold next week.I will attend the meeting held next week.to be held / to hold/ held, 哪个表达是对的？如果都对的话，表达意思上有什么区别？

问题 to work/to working含义究竟有何区别？

请教老师：With many lawmakers facing tough reelection races,the incentives to work with the other side are few.不定式作定语。With many lawmakers facing tough reelection races,the incentives to working with the other side are few.介词to working.这样又变成了什么意思呢？怎么...