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问题 However exciting this may sound这句话是什么结构？

However exciting this may sound, Walker is quick to remind the optimistic observer we still have zero evidence that life actually exists on any of these far-off planets.

问题 where是做表语吗？

...这句。但是说缺主语，我就不能明白。像where are you? Where is your mother? 这样的句子，where was a wasteland?完全可以由后面的名词作主语，那么问题来了，如果后面的名词作主语，这三个句子中的where是做表语吗？

问题 that 指代前面的主语吗？

... I made up my mind to eat anything my hosts would put in front of me. A decision that took courage, considering the Chinese word for animal is dongwu (moving thing).译文：在那次旅行中，我（外国人）做了一个决定，要把主人放到我面前的所有东西都吃下去。这个决...

问题 for which定语从句成分分析，求解

...铝） remained unknown until the 19th century，because nowhere in nature is it found free，owing to its always being combined with other elements，most commonly with oxygen，for which it has a strong affinity.（亲和力）最后一句为什么不直接for it has...变成原因状语从句，...

问题 不知道of前面的名词该用单数还是复数，可以用单数吗？为什么

The pronunciations/pronunciation of the two countries are/is different.

问题 为什么省略不定式中的to

...00105 EndHTML:0000001001 StartFragment:0000000141 EndFragment:0000000961It is heartening to see millions who had nothing but a record of misery and hunger _____ to improve their life.A. having had the chanceB. had the chanceC. to have the chanceD. have the chance请问正确答案选择D是为什么...

问题 这个 reason 后面是两个并列的定语从句吗

原句：In addition to the changes that increase user satisfaction, the main reason why Bing is profitable and the share of calls made from personal computers in the US up to 23% in 2009, when it started to give importance to user experience in 2009.请问这段话里 reason 后面是两个定语...

问题 形容词做状语的问题

Humorous and patient,Mr Cheng is admitted to be one of the best teachers.这个句子形容做原因状语，可以省略being吗。我在这个网站找到如下的解释： 因为纯粹的形容词（短语）不是非谓语动词，应加Being，只有如此才变成非谓语动词。例如：Be...

问题 法律法规用must还是have to呢

...n makes something necessary，而不是must的speaker feels that something is necessary所以我填了have to，但是答案是must所以这种规则类的法律类的都是用must吗，是主观上的必须而不是客观上的必须吗?

问题 its+形容词是否也能名词化

...e uniquely worthy of investigation, but custom, we have a way of thinking, is behaviour at its most commonplace. 这是新概念4 lesson44中的句子。句中的most commonplace在这里是形容词最高级作名词作用吗？是因为前面的its所以名词化了吗？类似the+形容词名词...

问题 witness sb do sth的用法对吗

...rned an important lesson witnessing their mother earn her degree. Jennifer is a first-generation graduate and an inspiration to her family—and that’s pretty powerful.这是2020年新全国卷1的一小段。请问句中的 witness sb do sth的用法对吗？我在书上没有查到这类用法...

问题 系表结构的一般现在时和现在完成时的区别

It is broken. / It has been broken.I am old. / I have been old. You are kind. / You have been kind.可否提供运用这些句子的语境？学生体会不出其中的不同？它们分别在什么语境中用到呢？盼专家老师解惑。

问题 为什么用36-year-old作后置定语

有这样一个句子：Xandra is an athletic 36-year-old with a 21-year-old’s body. 36岁的汉德拉身体健壮，有着21岁小伙子的体能。这个句子为什么用 36-year-old 作后置定语呢？不是说 36-year-old 只能用作前置定语的吗？

问题 虚拟语气选择题（涉及the last place后接从句）

There you are! I have been looking for you everywhere. This is the last place in the world I _______ to find you.A. would expectB. would have expectedC. have expectedD. had expected

问题 think of...like...与think of...as...的用法比较

Think of the body like a school. At the top of the school is the headmaster, known as the brain.这里的 like 是不是应该改为 as? 有 think of... like...这种用法吗？