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问题 can’t say for certain与can’t say it for certain的疑问

I can’t say for certain. 我说不准。I cannot say for certain where to go. 我说不准该去哪。请问这里用 say for certain，也可以用 say it for certain 吗？say 不是及物动词吗？

问题 this is it中的this和it分别指代什么

Mr Goldblatt compares Sounders fans to the ultras, Italy’s fanatical football supporters—but though they have borrowed some traditions from European football culture, they also created their own. If ever there was a sign that football is taking off in America, this is it, says Mr Goldblatt.网...

问题 宾语补语位置上的名词形容词副词介词短语都是省略形式吗

...词副词介词短语做宾语补足语的时候，都是省略了不定式to be呢？谢谢老师的回答。

问题 定语从句考题（涉及限制性与非限制性以及that与which的区别）

...何(C)不行。如果选(B)用法，句意上可行吗？谢谢！Exposure to excessive noise levels may cause varying degrees of inner ear damage ____ is initially reversible.(A) which   (B) , which    (C) that     (D) , that

问题 a ten day/ten-day/ten days visit 辨析

下面是一道中考题：He had a (  ) visit to Canada last month.A. ten daysB. ten-dayC. ten-daysD. ten day答案是B, 但是我认为上述除了C错误，其他3个答案都是正确的。因为我在语法书上查询到a ten-day absence, a ten day absence, a ten days absence, a ten days&...

问题 有关虚拟语气的选择题

有关虚拟语气的选择题，请问怎么选？If I hadn't stood under the ladder to catch you when you fell, you ______ now.A. wouldn't be smiling                            B. couldn't have smiledC. won't smi...

问题 新概念英语第二册78课一处自己的疑问。

...而该持续时间是主语预先计划或打算的。例如 He has gone to Beijing for 2 weeks.)。我的疑问3：持续性非终结性动词一般体加for时间状语我认为是错误的。 表现的状态是从过去持续到现在，当然得完成体。一般体用for时间状语这样的概...

问题 定语从句 you could be sleeping的疑问

Reconsider the 15 minutes you spend in line at the café to get coffee．That's a quarter-hour more you could be sleeping if you bought a coffee maker with a timer．问： That's a quarter-hour more you could be sleeping ，改为You could sleep a quarter-hour more .(你可以多睡15分钟。)而...

问题 while引导的时间状语从句的疑问

The phenomenon provides a way for companies to remain globally competitive while avoiding market cycles and the growing burdens imposed by employment rules, healthcare costs and pension plans.在从句  while avoiding…plans 中，while 表示的应该是表并且的连词，但是从句里的动...

问题 of sth这类介词短语做定语时是否存在前置现象

...置现象？例如这句：Of all the ship's crew Robinson alone escapes to the shore after strenuous efforts.crew和Robinson之间不存在逗号，那么根据句意、可否看作：句子是Robinson of all the ship's crew alone escapes...的介词短语of all the ship's crew前置的效果(Robin...

问题 worry, worried, worrying 的用法疑问（同时涉及及物与不及物等）

...e students for their bad actions and habits get the students _________.A．to worry  B．worrying       C．worried     D．worry答案 C．worried。worry 也可以用作vi，是（感到）担心，忧虑的意思，我的疑问是以上选项 A 和 B 为...

问题 定语从句还是地点状语从句的辨析(where,which,the one）

...e __________ the famous scientist was born _________ I mentioned to you last time?A. where; where                                 B. where; which  C. where; the one        &nb...

问题 take over在这里为什么不加宾语呢？是不是它在这里是副词take变成不及物了呢

Try not to let negative thoughts take over.

问题 it costs between $1000 and $1200，及物动词costs宾语的提问

...疑解惑。1）：it costs between $1000 and $1200.2）：He is believed to be worth somewhere between seven million and ten million dollars.据说他身价约在700万到1000万美元之间上述cost, worth应该分别为及物动词或介词，后面跟的短语应该是名词性短语，为什...

问题 questions that girls twice her age would ask里面的who are为什么省略

原句：I remember my daughter used to ask questions that girls twice her age would ask.请问老师girls who are twice her age为什么省略这里面的who are呢？