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问题 estimate被动用法的疑问

The $5 billion Trump is seeking would cover only a portion of the money needed for a border wall, a project estimated to cost about $23 billion. 这是并列了两个句子？estimate这里直接表被动了吗？

问题 分析一个长句的结构和成分

but you are not going to a group of middle-aged men who apply cosmetics to themselves in hope of looking more like Brad Pitt不是很能理解！

问题 added to和adding to的用法

added to和adding to现在分词和过去分词有什么区别？

问题 姓氏加冠词以及所有格的问题~

例如：1.the Greens'2.the Green's3.the Greens已知1表示住所，3表示夫妻二人或一家人，请问2表示什么？

问题 代词的指代问题

…However, the couple is throwing trashes into the river, and lots of garbages are floating on the water; that are so disharmonious.我想用“that”代指前面的“the couple is throwing trashes into the river, and lots of garbages are floating on the water‘’可以么？

问题 这里的in which不懂

but what is interesting in almost all the cases is the way in which the children's early hopes and dreams are shown in their future lives. 翻译不出来。

问题 more 是否是代词的判断

The cold was more than the children could bear. He earns much more than I do I want to do more. 请问老师这几个more都是代词么？

问题 so和hence的区别

Sea level of the magnitude now anticipated will be destructive to natural systems and living things and ______ to man as well.这里填hence，为啥不能填so？

问题 be of 结构的疑问

be of+抽象名词，相当于形容词 be of (different) color, size表示种类 The risk is of a temporary burst of inflation next year. 这个 be of结构怎么理解比较好呢？

问题 连接词的选择

Lily ，how to keep ourselves safe from the novel coronavirus? All ____ we can do for the movement is to wear masks, wash hands frequently and exercise regularly. 选项有what that how,答案是that，为什么不能选what？

问题 after和before 的区别

Half a month passed quickly before I knew it, and I learned how to deal with different people.请问把before换成after为何不可以？我了解她后，又过去了半个月。谢谢！

问题 can, could 表推测时的区别

情态动词can, could表推测时有哪些区别？语气哪个强，哪个弱？用于肯定句和否定句有何区别？

问题 陈述句和疑问句变音调用作感叹句和what/how类型感叹句在表达上的区别是什么？

薄冰英语语法第四版中提到陈述句/疑问句变调做感叹句的用法,已知how和what感叹句强调形容词/名词(等等),陈述句/疑问句变调做感叹句这种用法在表达上和how/what感叹句的区别是什么呢？或者怎么理解这种感叹句的具体用法呢？

问题 间接引语变直接引语的若干问题

...ere?" 标准答案是：Mrs. Green asked her not to cry there. 我的答案是：Mrs. Green said to her if she would mind not crying there. 我是按照老方法写的，直接引语为一般疑问句就改为了 if 或 whether 形式，不知道对不对。 问题 1：如果我不对...

问题 want sth done与want sth to do的区别

...为什么不能选 B 呢？ 我认为选 B 就是不定式 want to do sth 的用法，希望做什么……，含义也正确，请老师解答。另外，B 和 D 都是非谓语动词，在该句有什么区别？如果我不明白 fix 的含义，通过语法知识可以做对该题吗？