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问题 特指的witnesses前没有定冠词

...像就算是表特指的吧？但为什么前面都没有用定冠词呢？Their threats inhibited witnesses from giving evidence. 他们的恐吓阻碍了证人提供证词。Witnesses say the firing was deliberate and sustained. 目击者说枪击是蓄意而且持续的。

问题 in after hours trading是什么意思

Apple shares fell 8% in after hours trading. Its shares have fallen close to 20% over the last twelve months.请问：in after hours trading 是什么意思？

问题 he who 与 whoever 的用法比较

_____ wins the election will face many problems. A. Who    B. Whoever    C. He who 正确答案给出的是B选项。我的疑问是C是不是也可以？

问题 be set to do 的句式分析

老师 be set to do sth, 这里的 be set to 是否可以看作半助动词？应该他也有情态意义。如例句，The trial is set to last two weeks. 辛苦老师解答。

问题 定语从句中的嵌入结构

...，摘抄词典里的一个句子：We're forced to produce something the companies think is valuble.请问：1.  something在后面的定语从句中做什么从分，感觉是主语，但是没有that。2. 除了像something这样特殊的词 其他普通的词如果遇到这样的结构...

问题 这个to be不定式作为什么成分

The game is anticipated to be rated mature.这个to be rated mature 不定式是句子的什么成分呢?

问题 嵌入式定语从句

Calorie restriction is pretty much the only thing out there that we know will not just prevent disease but also extend maximal life span.这里that we know是定语从句吗，that will not just prevent disease but also extend maximal life span.也是定语从句他们共用引导词that（代指onl...

问题 as 引导时间状语从句的疑问

...练习册第一课中有一道选择题如下：People ran away to escape the tiger （  ）it was seen. a. however    b. wherever      c. as       d. where答案为b请问，为什么不能选 c？as不可以用在这里作时间状语引导词吗？

问题 宾语从句主语省略的情况

Look up Homo sapiens and you will read:"Listed as Least Concern as the species is very widely distributed, adaptable, currently increasing."从句省略了主语Homo sapiens is，完整形式应为Homo sapiens is listed as...为什么省略的是前一个并列句中的宾语Homo sapiens，这合规...

问题 高考英语阅读中的句子理解

原文: As for cherries, they are so delicious who cares？However, they are rich in vitamin C.题目: What does the author seem to like about cherries？请问为什么答案说作者是喜欢樱桃的美味，原文不是说没有人会在意美味吗，是因为里面丰富的维他命C。

问题 need后接动词表主动与被动的问题

请问当物做主语时，使用 need doing 还是 need to be done 呢？ The hedges needn't be trimmed this week. 请问这里换成 need doing 可以吗？ 类似用法的动词还有吗？谢谢！！

问题 attract tourism还是attract tourists

...t tourists，是的吧！但是看到这样一句，是不是错了：What the locals are trying to do is to attract tourism.这里的 tourism 难道不应该改为 tourists 吗？

问题 句中as being overly simplistic如何理解

句子：The way he drew even nonhuman characters was dismissed by many critics as being overly simplistic.问：请问老师句子里as being overly simplistic算什么成分，being是现在分词吗？

问题 whether...or...用法疑问

我一直以为whether作conj无论的时候后面要是完整的句子，但是有的时候讲不通：句子一：Poor farmers, whether owners or tenants, will be worst affected. 句子二：They have undergone treatment, whether in the camps or at clinics. 我考虑这种用法是不是...

问题 用动词的适当形式填空（是不是可以有多个答案）

The trees _____ (grow) very fast this spring.是不是可以有多个答案啊？grow? are growing? grew?