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问题 现在完成时的疑惑

Flora looked out of the window and found it ______ heavily.A. snows B. snowed C. has snowed D. was snowing选项c为什么不可以呢？

问题 encourage的主语是哪个

Now, the museum is holding workshops that encourage children to learn similar skills -- and they’re still very popular.这里的encourage的主语是workshop吗？还是成立工作室这件事？

问题 refuse和decline区别

Out of a pity, I offered to help the old man up, but he ___ smilingly.A. refused   B. declined 用哪个呢？这两个单词 有什么区别呢？

问题 might用法疑问

请问各位专家老师：Try as he might (=however hard he tried), he couldn't open the door.这里Try as he might 为什么等于however hard he tried？ 另外，这里为什么用might这个词？是might的一种特殊用法吗？

问题 Be+adv+n的问题

The problem is mathematically a strong non-linear problem想问问老师，句子中的mathematically的用法是不是错了？

问题 mostly的用法

一，People in the room are mostly women.房里大部分人是女性（言外之意还有一小部分是男性）   二，Cars are mostly metal.大部分汽车是金属的（言外之意还有一小部分是其它材质的）请问学生对这两句话的理解对吗？

问题 of在这里怎么理解?

He let out a cry of pain as the nail went into his foot.cry 和 pain 并没有"xx的xx"关系,这个时候的of该作什么解释呢?

问题 英语句子分析

Some of them didn't know whether the plan would be carried out ahead of schedule or be put off.1.请问句中ahead of schedule是什么成分? 这种adj+of+n结构,前后属于什么关系,也是所属关系吗?2.be put off 此处的be是否可以省略？

问题 boiling water还是boiled water

Mix the powder with boiling water.为什么用boiling water，不用boiled water？

问题 形容词作主语

Slow and steady wins the race.这里的“slow and steady”是主语吗？如果是，为什么主语都是形容词？谓语为什么要用单数形式“wins”呢？还是说这个句子本身就是错的？在下十分不解，恳请有识之士解惑。万分感谢！

问题 表语是in Vienna还是visiting

He was in Vienna visiting his family when the conflict began.谢谢各位老师！

问题 主动和被动的理解

句中主动和被动的理解：Many bishops had been concerned about the confusion such an apparent conflict could otherwise cause among Catholics.concern为什么用被动，而cause用了主动，句意不是主动的担心和被动的造成吗？

问题 neither...nor

And as I had with me neither a mechanic nor any passengers, I set myself to attempt the difficult repairs all alone. 曹老师，请教had with在句子中的意思，并体现neither...nor既没有，也没有的，算是固定的搭配吗？谢谢老师

问题 关系词与介词的位置

请问各位老师：地点、时间为先行词是不是一般介词不放在句末，还是都可以？This is the farm which I picked strawberries on.这样可以吗？谢谢老师们！

问题 句子翻译

Yet none of them had been like this one caused by an illicit building project under the home - a home away from home, to be precise - of a lawmaker from Xuzhou, Jiangsu province, East China.问：此句怎么翻译？其中“a home away from home, to be precise ”更是如何解释？