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问题 be held guilty的理解

老师请看以下句子：Doctors will be held guilty if they rish their patients' death.请帮我分析此句子结构，主要是guilty作什么成份我不清楚。谢谢老师。

问题 for often 的用法

Have you ever been sad because of failure? Please remember, for often, achieving what you set out to do is not the most important thing.请问，for这里属于什么用法，该用法除了often可否用其他词。谢谢!

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 两个动作之间的连词有必要吗

They might have to offer a slice of their profits to their users, invest more or less market share.比如这个句子，invest前不用连词吗？

问题 词语辨析drill的用法

Laser beams can be used to _____ metals and other hard materials. It can also be used in operation.A.trimB.meltC.sliceD.drill这里为什么选D不选C呢？ 切割金属不可以吗？

问题 ​neither的用法存疑

Neither of them don't like eating fruit and vegetable.我在网上看到这么个句子，感觉很奇怪，neither of them ... don't... 不就成了双重否定了吗？为什么这个句子不用all？两个人的话用both不行吗？neither这么用对吗？请问老师，如何理解？

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 excuse me与sorry的区别

为什么用： Excuse me! You can’t take photos here.可以用：Sorry! You can’t take photos here. 吗？

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 用one还是a的问题

Every “Number of freeze-thaw cycle” in the table corresponding to two samples including a/one parallel sample.这里应用用a还是one呢？

问题 一般现在时表现在的情况

假设Tina昨天刚进入一家医院工作，那今天可不可以说：She works in a hospital now.还是说用现在进行时会更好？

问题 及物动词加介词短语的疑问

He lay on the bed，为什么不可以he lay the bed. 不是及物动词后面可以直接接宾语吗？不接介词。 还有remain只有不及物，为什么可以remain continue....... 后面可以接动词？ 可以动词加动词？