问题 有sth is needed to doing的用法吗？

一篇文章里看到的句子：The no. is needed to tacking the shipping orders.另外，tack在这里是什么含义呢？

问题 it is not easy being your age分析

为什么 it is not easy being your age用being 而不是加to？

问题 一般现在时的用法：I think the match in 2014 is great.

答疑网的老师好，有一个句子：I think the match in 2014 is great.请问这个句子中的is用的对吗？能否提供一点相似的例句呢？

问题 This is helping your career? 进行时

This is helping your career? ! Huh?我疑惑的是这里的进行时可以表示将来吗？该怎么判断？ 什么样的动词进行时可以表示将来

问题 many believe there is further to fall的分析

...stigation by the authorities. And despite official declarations that the crisis is over, many believe there is further to fall, especially with the economy continuing to slow.句子中 further 应该是副词吗？那么 to fall 在从句作表语？好像不太对，请老师分析！

问题 It is strage that he should have done...中should的用法

It is strage that he should have come back so early.It is strage that he should have done...中的should是什么用法？

问题 The weather is getting colder and colder.是否为主系表结构

The weather is getting colder and colder. 此句是否是“主系表”结构？ 如果是的话，为什么是？我理解 [is getting] = 助动词 be + get 现在分词，构成“表达状态的谓语”，这样理解对吗？

问题 宾语从句中可以说 what is the difference 么？

老师您好，我看到您回答过宾语从句中可以说 what is the matter. 那么，除了matter之外的其他词，比如difference 可以有这样的用法么？

问题 What is the Royal Walkabout？

问题 His rudeness is sheer有错吗

问题 Also of significance is...中 of 的准确用法及理解

Also of significance is 中 of 的准确用法及理解，多谢指教！

问题 电话用语中的 Who is it speaking? 是什么意思

Who is it speaking?不太理解，为什么多出一个it, 看不出who是对什么提问？

问题 What he does is...后面接动词用什么形式

What he does is ______ computer games. (可多选)A. play    B. to play   C. plays    D. playing

问题 when从句含义以及如何翻译

...B) I was visiting the museum when I came acorss a policeman.C) I was doing my homework when I watched TV.应该如何翻译呢？有无“突然“的含义？谢谢！

问题 in that moment是否正确

...的50题：He poured water from a bottle into his hand and offered it to my dogs.   50  , I began to fall for him.  （In that moment）我认为应是At that moment。