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问题 it, this, that 做指示代词时的用法分别是什么

这句话中可以用this 或that 吗？

问题 pretend 用法疑问

看到一本书上说：我昨天假装好心情。翻译成：I pretended good mood yesterday.请教专家，这种说法正确吗？是否应该改成： I pretended a good mood,  还是 I pretended in a good mood, 还是 I pretended to be in a good mood 呢？ 另外，英语惯用法词典上...

问题 表达一张照片为什么会有photograph of one这种奇怪的表达

...？ 以前没看到。2）那么2张照片是否也可以说photographs of two呢？3）为什么不说 No really a/one satisfactory photograph ? 可以这么说吗？

问题 分析：Which year was it that the library was built?

Which year was it that the library was built?请问这里的 that the library was built 是什么从句？它是定语从句吗？如果是，它修饰谁？句子是什么意思？另外，可以看作是强调句吗？如何翻译？

问题 名词后的to do做什么成分。

... may lead to failure to complete the patrol route.That in turn could easily lead to attempts to bring the U.S. health care system closer to European and Canadian systems

问题 both…and…用法疑惑

What is included both for women and men in artistic gymnastics?请问老师：1 both…and…这里后面是省略了相同的介词for吗？both for women and (for) men2 for both women and men 是不是表示相同的意思啊？What is included for both women and men in artistic gymnastics? 

问题 现在分词句法分析

You probably even saw the pics of the former president having a kite surfing battle with Branson.ing形式surfing是a kite的定语还是补语，还是与having是两个并列的结构？谢谢。

问题 sb is agreed that...句子合语法吗

We're agreed that another meeting was necessary. 我们一致认为有必要再开一次会。请问这个句子合语法吗？句子中的 We're 是不是该改为 We've 啊！ 

问题 This is the first time that从句时态

我们都知道This is the first time that从句时态常用现在完成时，请问还可以用别的时态吗，比如一般现在时？

问题 so…that句式中的so…放在句首时的倒装问题

书上说，so…that句式中的so…放在句首时通常要用倒装句。对此我三个疑问：1. 这里说“通常”倒装，是不是也可以不倒装？只不过倒装是“通常”做法，而不倒装是“非通常”的做法，但不算错？2. 这类倒装句是如何倒装的？3...

问题 in which 和where以及in that和why什么情况下可以互换

如图几道题，因为不缺成分老师说可以用介词+which。但是如果把正确选项换成where或者that可以吗？什么情况下in which 和where，以及in that和why可以相互替换？

问题 If it were not for the rain,i would go hiking now.

请问下老师1. for the rain 可以写成for raning吗？2. 如果我要表示要不是现在正在下雨，我可以写成if it were not raining 吗？

问题 remind sb of sb/sth; rid sb of sth. 是动词短语还是固定搭配

I needn't remind you of that terrible tie.The man cheated the old lady of all her money.老师，remind sb of sb/sth; rid sb of sth.……这些都是动词短语（还是固定搭配），用句子成分不好理解，谓语动词都是及物的，后面介词接宾语，是双宾语的直宾...

问题 主从句划分问题

...对于主句的划分方法是把从句所充当的成分除开来，例如If I come I will call you, If I come是从句，I will call you 是主句，那如果这么划分的话，例如What she said is true 这种句子又要怎么划分呢，难道从句是What she said 主句是is true 吗？

问题 分析：That the earth is round is true.

That the earth is round is true.老师，这句话的主句在哪？