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问题 to and fro与to and from有何区别

to and fro 与 to and from 有何区别?

文章 英语基础语法快速入门——分词

...分词完成式having finished her work表示时间，相当于after she had finished her work；第二句中的现在分词完成式having failed twice表示原因，相当于As he had failed twice。2. 用法说明(1) 表示先于谓语的动作：即当现在分词所表示的动作先于谓语...

问题 myself的用法

请问一下。改错上有一句I had done myself homework but I was shy中myself为什么改成my，我查了自己的语法书，有一句......get myself a 物品，心想是对的，可为什么是错的？谢谢了！

问题 each的用法疑问

1. I had several dreams last night. ___was funnier than the last. 为什么用each？2. The students were___given a book. 为什么填each?

问题 状语从句中介词问题

老师好，我想问一下。When Alice came to, she did not know how long she had been lying there.这里为什么是came to? When Alice came不可以吗?

问题 英语长难句中定语从句引导词的使用与省略

老师您好，请问 Scent for many of us can be only a theoretical, technical expression that we use because our grammar requires that we have a noun to go in the sentences we are prompted to utter about animals' tracking. 中 we are prompted...是什么成分？是定语从句吗，如...

问题 reason后接定从与同位语的的问题

您好陈老师，在百度文库看到您的《先行词为reason-定语从句精品讲课》的PPT，对文中的几个句子还是不太清楚，向您求教一下。1）the reason that后接具体原因：The reason that he was ill yesterday is such a bad excuse. 这个句子可以理解为...

问题 关于介词加关系代词引导关系分句的问题

你先考虑一个并列句，你能否用指示代词或人称代词指代一个年份，比如，since 1946是没有问题的，但你能否说since this，since that，或者since it。显然不可以。你得说since that year. 所以你也不能用since which引导定语从句，你得说since ...

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！

问题 and的疑问

Damp and dry, cold and hot, yin and hang must be balanced. 1.这里最后一个名词短语并列为什么没有and。 2.我发现读外刊的时候好多并列成分都没有用and，比如并列名词，非谓语等等，这是写作习惯吗？还请老师指正。

问题 招呼语中and前后的名词要一致吗（boys and girls）

Good morning，boys and girls.and前后都要是复数嘛？

问题 “祈使句+and+陈述句”中的连词and可以省略吗

看到这样一个句子：Walk directly down the road, you’ll get to the square. 沿这条路一直走，你能到广场。这个句子难道不应该在后面一句前面加上连词 and 吗？难道“祈使句+and+陈述句”中的连词 and 可以省略吗？

问题 2019新人教选择性必修1unit2书上习题22页 时态问题

...room-the Silent Room-in theOslo Public Library. In place of the trees that had been cleared, 1 ,000 new trees were planted. Every year from 2014 until 2114, a different popular author________ oneoriginal story, and the librarians ___will be keeping_____all the stories in the Silent Room, wherevisito...

问题 open的非谓语动词用过去分词还是现在分词的完成式

_______ in 1955, Disneyland in California is regarded by many as the original fun park.A. Opened        B. Having opened        C. Opening        D. Being opened选A还是B。字...

问题 关于长定语后置的用法

各位老师好。①Although no proof yet exists that electromagnetic fields generated by household appliances pose any threat to health, mounting scientific evidence has convinced many experts that there is cause for concern.看起来划线部分是在修饰proof，为什么可以跨越谓语...