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问题 关于介词的改错题

原句:Once I saw a post offering a wonderful course in German, and that was just what I decided to take from a new language. 应把from改为on/in/for,为什么from不对呢？改后的介词有没有什么固定用法？

问题 that的用法

It is human,perhaps,to appreciate little that which we have and to long for that which we have not.这句话中首先可以确定to do是真正的主语，但是that和which we have 不是很重复吗，直接用which we have从句作为appreciate的宾语不可以吗

问题 为什么不是water used

冲厕所用了很大一部分水。正确翻译是:Flushing toilet accounts for a large proportion of water use.在这里为什么不是water used 而是water use?

问题 put on的翻译问题

She was found guilty of manslaughter and put on probation for two years.put on在柯林斯词典中只能查到穿戴，举办，增加的意思，在这个句子当中没一个能和probation搭上边。

问题 关于but的用法

For example, in English you say strong wind but heavy rain. It would not be normal to say heavy wind or strong rain.本句中but应该是连词，但是结合语义没有转折的意思，反倒应该像是and的意思；请教关于这种but的意思以及类似表达。

问题 比较结构than用法疑惑

They've been living in Haida Gwaii for thousands of years longer than Canada has been a country.请问老师：longer than连接2个独立句，longer是什么词性？longer than…是做什么成分？麻烦老师分析一下句子。

问题 when从句是表语从句还是状语从句

Gratitude is when you feel appreciation for people and things.请问老师：when引导的从句是做表语从句，还是状语从句？怎么判断？

问题 这里动词不定式什么成分作用

Thanks for your email. To answer your question, my new school is great!该句中的不定式to answer如何翻译？该不定式什么成分？谢谢老师。

问题 “香蕉”可数吗（banana还是 bananas）

—What do you have for lunch today?—I have _____ and _____.空格里填名词单数还是复数。例如填“香蕉”，是用 banana，还是 bananas。谢谢！

问题 如何判断宾语后面的成分是否是宾补

They propped her upright for a few minutes.upright是做宾语补语吗？做形容词用？

问题 不及物动词和及物动词的用法

He was arrested for violation of discipline. He is concerned with... 是不是这些及物动词后面接的介词与前面的动词被动没有关系，只是这些介词单独作状语？

问题 room和place作为"空间"时有什么区别

Is there a little room left for me? A.room B.place

问题 现在完成时的用法

查阅语法书以及网上搜寻，发现都说现在完成时表示的动作已经完成，那下面这句：We have played football for a year now.即使是加上时间段也依旧认为是动作已经完成了吗？暗含的意思是指我们现在开始就不踢球了吗？

问题 being disapproving 是什么意思

Not only is this just a very funny line but historically speaking sir john being disapproving of any sort of arctic theater was probably such a bummer for james...

问题 找不到句子的谓语动词了

In a study appearing laying a baseline for healthy immune system development by examining which genes, proteins and immune cells are active during a newborn's first seven days.