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问题 指代金钱（如ten dollars)用it还是them

I had to pay ten dollars for this bowl.It’s probably ________.A. worth them    B. worth it答案为什么是worth it, 不是them 呢？ worth后面是金钱，这里指的是ten dollars.如果把ten dollars看成整体money, 用it.  但如果看成一份一份的one dollar, 为什...

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 initiator 是 initial 的派生词吗

...解B的一个题：24. What do we know about Abby/Jaramillo? A. She used to be a health worker. B. She grew up in a low-income family. C. She owns a fast food restaurant. D. She is an initiator of Urban/Sprouts.查词典，initiator的意思是“创始人”“发起人”，但查教育部颁...

问题 but放在句首是连词吗

...子开头时，真的是连词（引导词）吗？以 but 为例：1. But there are some parts of the world where even now people cannot write.2. But the first people who were like ourselves lived so long ago that even their sagas, if they had any, are forgotten.请问：我觉得 but 放在句首...

问题 疑问代词和一般代词用法一样吗,代词就可以加名词或其它？

1. in god's/heaven's name.what in god's mane was theat huge...where in heaven's name have you been..2. the hellwhat the hell was that noise?请问老师，这些都是加强语气吗？在句子中是什么作用的，充当什么成分？疑问代词，和一般代词用法一样吗...

问题 插入语可以作句子成分吗？比如状语 定语 同位语

... 同位语可以同时作插入语吗?如做同位语：Mary Jones, CEO of the Ace company, resigned her position for no apparent reason. 做定语（从句）：Mary Jones, who has recently become CEO of the Ace company, resigned her position for no apparent reason. 做状语：Mary Jones, su...

问题 在表示继续时 continue (on)/ go on /carry on 有什么区别?

如: The rain went on continued for three days.      The trial continues on Monday.请问以上例句,为什么前者用continue 而后者需要加上on? 这样的句子可以用go on , carry on代换吗?

问题 请教专家，现在分词能给另一个现在分词当宾补吗

...在分词作为某个动词的宾补，可我看到这样的句子，…，thereby  preventing  the  DC  bias  conditions  of  one  stage  affecting  the  other.这句话意思不难理解，就是防止一级的直流偏置状态影响另一级preventing应该是结果状语，可后面...

问题 现在分词做定语还是状语

...zing rates by measuring feeding rates of individual zooplankton species in the laboratory and then computing community grazing rates for field conditions using the known population density of grazers.句意：由吉恩所进行的研究，对自然条件下的群落捕食速率进行了估算，其...

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 请讲解you guys are gonna be graduating soon,huh?的结构

you guys are gonna be graduating soon, huh?are gonna be = are going to be 但为什么后面 graduate 要用 ing 形式？

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 动词作名词与动名词的区别

...用walk 的–ing 形式?为什么不直接用名词形式walk?We can go to Nanchang by train. It is faster than walking.

问题 应用文文末用句首用动词原形或动名词是什么语法结构

应用文末尾写“look/looking forward to your early reply”或是"hope/hoping you have a good time there"之类的句式，这里面的look,hope或者looking,hoping是否真的可以这样用，应该算作什么语法结构呢？

问题 作定语的 called Ms Shen可以换成 calling Ms Shen 吗

...oman，请问这个 called 可以换成 calling 吗？为什么？谢谢！The English class is really interesting. The teacher is a very enthusiastic woman called Ms Shen.句子来源：高中英语外研版教材第1单元（Unit 1）