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问题 visit sb与call sb的区别(新概念第二册练习题)

He calls at every house in the street.  He ______ everyone.给出的答案是 visits，另一个选项是 calls，为什么不是calls? 还是答案有错？

问题 一直令我困惑的现在完成时与一般过去时

...k / has taken it away?3. My cake is gone. Tom ate it / Tom has eaten it.4. The window is broken. Who broke / has broken it?就这些句子的时态选择，学生我很是纠结，总是混沌，盼望专家可以为学生深度剖析一下，帮我彻底解开这种混沌的状态。谢谢。

问题 关于曹老师回答的非终结性持续动词的问题

...达完成意义，需要添加边界性状语。那么比如he walked on the street如果根据一般体的事件意义，他走路这件事不是已经结束完成了吗？2.关于非终结持续动词的过去分词，您说只表被动不表完成，老师我的理解是非终结持续动词没...

问题 I would appreciate if与I would appreciate it if辨析

底下是TOEIC 全真试题的摘录:I would appreciate if you would set aside the whole day on March 3 so that I can meet with you.这里的 appreciate 是及物动词，为何不用加 it? 谢谢！

问题 are closing in on可以译成“正在接近”吗

Astrophysicists working with groud-based detectors at the south pole and balloon-borne instruments are closing in on such structures,and may report their findings soon.天体物理学家们使用南极陆基探测器及球载仪器进行观测，正越来越接近这些云系，也许不久他们就...

问题 分析：No one's born being good at things.

...ood at things.我查了查born是形容词啊？难道这里要理解为像the rich这样的结构，做名词吗？语法书上说这里是形容词短语being good at things 用在be born被动结构后面，做主语补足语，这里都没看见被动结构啊？怎么理解？

问题 as...as（和……一样）句型中两个as中间可以由什么成分充当

Few places on the planet are as packed with history as Ireland1.这句话中两个as中间是介词短语吗？2.be packed with是一个固定短语，意为“充满....”这句中的are为什么要用在as的前面啊?3.两个as中间除了可由形容词副词充当外还可以由哪些成分或...

问题 will have been napping 和 will be napping 时态差异含义理解

Don't call the boss; he will have been napping at this moment.如果说成...he will be napping at this moment. 这2句时态的差别体现了什么含义呢？或者说2句有什么理解上的不同吗？麻烦老师讲细些，谢谢！

问题 这里的Suppose we left 后面用了一般过去时究竟该如何理解用法，含义

The new term begins next Monday. Suppose we left tomorrow.这里的Suppose we left 后面用了一般过去时究竟该如何理解用法，含义？    

问题 带有目的的伴随状语

Building maintenance workers were circulating through the office space ensuring power had been restored,which it had.Ad：ensuring power had been restored :我猜测应该是现在分词+宾语构成分词短语作目的状语。而宾语成分却是一个that引导的宾语从句，that被省略了...

问题 为什么这句话中 blowing on my face 不是现在分词短语做后置定语

I could feel the cold wind blowing on my face.为什么语法上要定义这里的blowing on my face就是做宾补呢？

问题 翻译疑问（涉及 will keep sth rivals at bay）

Having come back from the dead, Cremona’s instrument-makers, like many others in Italian industries, hope that an emphasis on quality, tradition and craftsmanship will keep cheaper foreign rivals at bay最尾的一句 will keep sth rivals at bay 為什么譯成   (能夠將便宜的...

问题 请教 rather than 做连词的用法

...q-43322.html 在这篇提问中操作失误，问题不小心被关闭。Rather than       work       hard,   he         plays         around   all the time.   并列连词  &...

问题 如何理解 how little time（how不是只修饰形容词或副词吗）

I realized how little time I had spent outside the university libraries and my living place.  请问曹老师，这里的how 如何解释？如果是由感叹句转化而来的宾语从句，那么 how 不是只可以修饰形容词或者副词，what 后跟名词吗？琢磨不明白了。

问题 walking and golfing与walk and golf（涉及并列名词的对称问题）

Walking and golf increased in popularity during the 1980s. 在20世纪80年代越来越多的人喜欢上了远足或是打高尔夫球。请问这句中的 walking and golf 可改为 walk and golf 或是 walking and golfing 吗？这样不是更对称一些吗？谢谢！