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问题 there be句型

Some of the objects up there are working satellites.这句话some…up这部分是什么成分呢？这句话我不太理解结构了。

问题 to 可否省略

看到这样一个句子：His fingerprints and photograph were sent around the world, including to England, America, and English-speaking countries in Africa. 请问句中的to可否省略？

问题 不定式用法疑问

I found the opposite to be true.我发现对立面是正确的。这个句子想表达这个意思，为什么要用不定式作宾语补足语呢？

问题 facility的用法

老师，我觉得B选项给的单词facility，应该是facilities 才对，如果要表达“设施”的意思，不是用复数更常用吗，还有参考答案的例句，是不是改成：The facilities at that club include … 更好呢？

问题 as的定语从句

The number of staff ______ is needed for quality control can be substantially reduced. 这句话为什么不能填as？

问题 remain的用法

The largest international database has helped police find out many crimes which at one time would have ______ unsolved.A．remainedB．maintainedC．keptD．left

问题 回溯不定式是什么

为什么这里要用with which to... 呢？不可以直接用不定式吗？比如... money to restore the gate？

问题 as的用法

The United States Bureau of Labor Statistics counts 9.2 percent of workers as those who have what they term “alternative employment arrangements.”请教，句中as这里的用法是？

问题 这是并列句还是简单句

We talked and laughed at the party.请问：这是并列句还是简单句？

问题 expect trouble 是什么意思

The police are expecting trouble.请问这个句子是什么意思，expect trouble 如何理解？

问题 What though…? 是什么用法

What though the way is long? 请问这里的 what though 是什么用法？

问题 staff 还是 staffs

Many employers seek diversity in their staffs.The manager sent an email to all staffs. 这两个句子对吗？是该用 staff 还是 staffs?

问题 关于It is to be regretted that的句型

...sp;to be regretted that he should have failed again in the examination.        他竟然又一次考试不及格，这是一件令人遗憾的事。                            It is&nbs...

问题 whereof的词性与用法

单词 whereof 的用法，这个单词字典上说是关系副词，还举例 the transaction whereof i spoke, 这例子中 whereof 更像关系代词。

问题 请问这个句子怎么翻译？

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