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问题 现在分词的完成被动式与不定式的完成被动式

Some Martian rock structures look strikingly like structures on Earth that are known ______ by microbes.A. having been createdC. to have been createdC是正确答案，可是A和C都可以表示非谓语的动作先于谓语动词的动作，为什么不能选A?

问题 like引导的是什么从句

...迷惑不解，然后我又搜到了另外一个类似的句子：Don't be too quick to jump into a relationship or you'll find out that the person you are with isn't anything like you expected.难道like you expected也是定语从句吗？所以，这个like该怎么分析呢，辛苦专家老师...

问题 United States history前是否应该加the

一道改错题：Students of United States history, seeking to verify the circumstances that encouraged the emergence of feminist movements, have thoroughly investigated the mid-nineteenth century American economic and social conditions that affected the status of women. 错误之处是verify词典...

问题 join和join in的用法

各位老师好，我在一本教材上看到一段话：If you want to know more about trees, join our "All about trees" talk at 4 p.m. on 26 October.We will interview Dr Jones about the lives of trees and their major uses.请问这句话中用了join而不是join in，talk我理解是谈话或讲...

问题 Why not...不可以用于过去吗

...sp;你一脸倦容。怎么不休假呢?Why not wait till the winter sales to buy a new coat? 为什么不等到冬季大贱卖时再买一件新外衣呢?但是，下面的这句就不地对吗（因为它是用于过去）？Why not try knocking at the back door, even if nobody heard you at the fr...

问题 用国名代表体育运动队作主语时谓语动词用什么

...ith France and Germany out of the competition, England have a great chance to win. 因为法国队被淘汰出局，英格兰队胜算很大。 上面一句中的 France, Germany, England 本来是国名，但它们在这里代表相应的运动队，如果它们用作主语，那谓语动词是...

问题 疑问：feel sad还是feel sadness

She hates for people to feel sad. 她不愿看到人们忧心忡忡。 If you are sorry about a situation, you feel regret, sadness, or disappointment about it. 如果你对某一情况感到 sorry，你就是对它感到遗憾，感到伤心或感到失望。 这两个句子，一...

问题 rise in the east 还是 rise from the east

I am afraid the moutain would break down. The next morning we got up early in order to see the sun rise ______ the east.rise in the east 还是 rise from the east?

问题 rise 表示"变得成功, 变得重要"同义词用哪一个好呢

Through hard work, he rose to be the manager of the company.A. developed      B. managed        C. experienced请问各位老师，这个应该选哪个呢? 非常感谢。我个人觉得A（侧重变得），B （侧重成功）都行吧？

问题 主句为一般过去时宾语从句中为什么用一般现在时

在《柯林斯COBULILD高阶英汉双解学习词典》查找think over的用法时，看到这样一个句子（第2761页）：She said she needs time to think it over. 她说，她需要时间好好想一想。请问专家老师，为什么这个宾语从句中的谓语用一般现在时？

问题 多个人的名字为什么用单数（the name of the men）

They mentioned the name of the men who you had spoken to. 请问这里的 name 为什么用单数？句子是什么意思？谢谢！

问题 关于句子的语法解释“things”与“for the motor trade”

Please don't be so depressed; I'm sure things will start to look up for the motor trade in the coming year.这句中的“things”是否指“motor trade”，若是“things”是否用“it”代替，或者说“things”和“motor trade” 在句中的关系。

问题 explore使用质疑

...on Society, maritime, navigation support and related departments and units to explore the establishment of standards for autonomous navigation ships and promote the rapid development of China's intelligent ship industry in the years ahead.这是中国日报app上的一段原话，explore出现...

问题 在名词后面不定式有没有可能不是定语是同位语

看到一个例句 the desire to play for nba became a burden .突然觉得这个不定式 很像是同位语 或者说 像主语补语  不太像定语，如果真的是同位语 那词性就变成了 名词性。。。。这就和定语的形容词性冲突。瞎想...

问题 scrutiny of sb/sth 结构理解疑惑？

1）Managers are subject to the scrutiny of specialists.经理们会受到专家的严格审查。2）He resumed his scrutiny of the chessboard.他又开始仔细看棋盘。以上2个句子，句1）是scrutiny of sb结构，却要理解成sb主语，把scrutiny理解成类似谓语。而句2）是...