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问题 all these years后面必须接完成进行时吗

语法填空题:All these years these talented writers __________ (contribute) articles to our magazines.这里答案给的是have been contributing.这是唯一答案吗？为什么要填完成进行时态不能填过去时或者现在完成时？

问题 这里的the same as in the passage怎么理解

Then read the passage to find out if your answers are the same as in the passage.as后面省略了什么呢，as又作什么成分呢？

问题 near-certain 是不是复合形容词

A recent drop in the price of rhino horn did not come soon enough to save the northern white rhino from near-certain extinction.这句话摘自Washington Post,其中near-certain的结构和意思看不懂，是复合形容词吗？

问题 in danger from与in danger of

If you find yourself in danger from a forest fire, first of all, stay calm. Cover your face with.... Then go to a safer place if you can...请问这里为什么用 in danger from？为什么不用 in danger of？

问题 thank sb for doing sth 的用法

thank sb for doing sth 例句:(I) Thank you for asking me to talk about essay。短语for doing sth.是做什么成分？这个短语中doing的逻辑主语是sb吗？这是一种什么省略现象。我查了状语从句的省略需要主句从句主语一致，但是短语for doing sth，主语如...

问题 如何理解a month of Sundays的意思与用法

在一篇口语对话中看到下面的对话： Bob: Well, Fred! Come right in! Haven’t seen you in a month of Sundays! Fred: Good to see you, Uncle Bob. 请教一下，其中的 a month of Sundays 是什么意思？

问题 一道选择题（涉及until与unless的区别）

As we can see, light won’t bend around the corner _____ it’s made to do so with the help of the objects that can reflect light.A. until      B. unless答案为 unless，A 为何不行? 请解释一下! 谢谢！

问题 a,an,the的使用与句子时态有关吗

1. Miss Chan is talking to _____ children.2. My sister is reading _____ book.3. Mom is cooking _____ fish now.请问：上面三题的横线上应该填a、an、the还是不用填呢？与前面的现在进行时有关吗？

问题 kiss away sb's tears是英美国家的习俗吗

He tried to kiss away her tears. 他想吻掉她的眼泪。请问：kiss away sb's tears 是英美国家什么样习俗？“吻眼泪”的习俗喻意是什么？

问题 名词单复数（ Each can be taught opposite solutions。）

The two halves of the human brain behave independently, such that each half can be taught opposite solutions to simple problems. 请问solutions用复数怎么理解？

问题 but后接祈使句的问题

... particles behaveand in the physical properties they impart to soils.麻烦老师帮忙做个句子成分分析，尤其是but后面接的是祈使句吗？还有properties和they之间的先行词去哪里了，不觉得properties是后面句子的宾语，怎么就省略可先...

问题 完成时中动词静态与动态的疑问

...如I've always preferred cities .那么这句话I've always gone to school by bus为什么不用静态动词？问题二：完成时的否定句是不是都是动态动词，例如I haven't known it for a long time.这样的句子不符合逻辑？

问题 cale,volume,magnitude,scope区别

...是D.  但是在表达“有什么余地”， 应该用scope for sth/to do sth.该题scope of sth表示“什么的范围”，语意也说不过去啊。

问题 从属连词的难点

1. It seemed only a few weeks____he finished translating the long story. A.since  B.till  C.after  D.before 2.  John plays football____ if not better than，David. A.as well  B.as well as   C.so well   D.so well as 3. I must work harder,____I am...

问题 从属连词的难点(单项填空题)

1. It seemed only a few weeks____he finished translating the long story.    A.since  B.till  C.after  D.before   2.  John plays football____ if not better than，David.    A.as well  B.as well as   C.so well   D.so well as   3. I must work harder,____I am wi...