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问题 and连接的动名词短语作主语谓语动词用单数还是复数（主谓一致问题）

Although observing and recording their daily activities ____ very tiring and dirty sometime.横线处应该填is还是are呢？

问题 逻辑主语问题

To send a letter is a good way to go somewhere without moving anything but your heart.本句中，主语为不定式，那么它对应的逻辑主语是什么？是否所有的非谓语动词都必须有逻辑主语？有的写出来了，有的省略了，那么省略的要求/原则是什么？

问题 宾语从句中，whether与if可以并列存在吗？

...s been admitted to a university but who cannot afford the tuition. While this may seem to be a good policy proposal initially, this proposal could stand to benefit from increased specificity in implementation. It is currently unclear whether this program would cover tuition fees for a program that a...

问题 as+形容词的用法

我见到过很多as 后面直接加形容词的情况，比如：Everyone loves a good house party, but the cleaning up the next morning isn't as enjoyable.这里并不是一般的 as adj as 结构，请问这里的as 就相当于是so ,very 的意思吗？

问题 非谓语动词问题(4)

老师好，有以下问题想请教一下。15. The island, joined to the mainland by a bridge, is easy to go to.这里为什么to go to 不是to go?16. More highways have been built in China, making it much easier for people to travel from one place to another.这里it是形式宾语吗?17. More T...

问题 as是作为介词引导同位语吗？

large carnivores, (such) as the bear or lion 大的食肉动物, 例如熊或狮子问题：(such) as 引导的是carnivores的同位语，as为介词，对吗？

问题 most of which等的用法疑问

You usually do not need to take pills for vitamins, _____ can be obtained from the food you eat. A. most of the vitamins B. most of which C. as most of which D. most of them 请教各位老师，这道题是否选B，谢谢。

问题 He is lying in the bed ,reading a book.分析句子结构

...ng a book是做状语吗？还是定语？4.可不可以改成这样： He is lying in the bed, while he is reading a book.

问题 which指代问题

Did we have the right dresses in which to appear before Lady Genmire? We felt very excited and unsure.谢谢各位老师对我们之前问题解答，像请教一下，上面的句子Which 是指代前面的名词dresses,还是单独作为一个名词，表示什么的意思来用！谢谢各位老...

问题 to have done 用于表示将来完成?

...？一般to have done都是用于类似下面的句子中：The earthquake is reported to have claimed more than 300 lives in Indonesia.麻烦解释一下。谢谢！

问题 语法填空用一般现在时还是一般过去时(2020年高考题)

...e-4 ___66___ (find) and study areas of the South Pole-Aitken basin. “This really excites scientists,” Carle Pieters,a scientist at Brown University, says, “because it ___67___ (mean) we have the chance to obtain information about how the moon ___68___ (construct).” (2020新课标)请问为...

问题 born to用法疑问

He is one of seven children born to Palestinian schoolteachers whose grandparents had come to Jordan.句子里的born to怎么处理？ (我查了一下born 后面一般加的是不定式to，构成to be a XX)

问题 为何这里 need 后面要加 to be 呢

A: My boss told me I couldn't take any time off to go on holiday this year.B: That's crazy! Did he say why?A:He said that the company is doing well so they need to be fully-staffed at all times.老师：您好！我不明白为何这里 need 后面要加“to be”呢？谢谢。

问题 knock off 短语的用法与搭配问题

Jack told his mother the cat ______ the table, but the truth was that he did it. A. knocked off the vase B. knocked the vase off C. knocked out the vase D. knock the vase over 请问老师，选D或者A有什么不妥吗？正确答案是B，谢谢老师帮助。

问题 on something to do with 用法

...ysics Department?等价于you turned in an outline on something which is somehing to do with the Physics Department.请问老师，还有更好的理解方式吗？