问题 Singing is a costly behaviour有误吗（2015年高考四川卷）

...高考英语四川卷的阅读理解：He told people at a conference, “There have been a couple of studies suggesting they are increasing their song output at night and during the day they are still singing. Singing is a costly behaviour and it takes energy. So by increasing their song output, th...

问题 为什么会出现whether there was not...？ 这里的not是否多余？

I asked myself whether there was not in his soul some deep-rooted instinct of creation, which the circumstances of his life had obscured, but which grew relentlessly, as a cancer may grow in the living tissues, till at last it took possession of his whole being and forced him irresistibly to action...

问题 adapt to 的用法

Homeschooling can benefit such students by shaping the learning environment to cater for their needs by being flexible to adapt.  这句话结尾不用加to吗？

问题 be as +adj + as + n +be adj 的语法理解

原句：But it does not need to be this way, according to Gary Hamel and Michele Zanini, two management consultants whose new book, “Humanocracy”, is as optimistic as its title is off-putting.翻译：但在加里·哈梅尔(Gary Hamel)和米歇尔·扎尼尼(Michele Zanini)这两位管理顾...

话题 语法分析：about one-thousandth of the amount needed to read by

问题 求助what从句中的用法

A quality service are the most important things regardless of what organization runs a gam.大佬们，请问这里what是作什么成分？what是什么词性？

问题 who引导主语从句的疑问

在一张挂历上看到这样一句格言：Who is able to be egotistical needs to be strong too.有本事任性的人，也要有本事坚强。我们老师说这里的 who 用得不对，不能这样引导从句。请教专家，这里的 who 用得到底对不对？谢谢！

问题 想请教你，这里contains是名词吗？如果不是，是否应该改成containments?

While planning the organization of your items, remember that clutter distracts the customer and actually displays less in contains less items.

问题 句式分析

网上有看到这个句子的解答，还是不太明白British losses were 64 tanks damaged enough to need more than 24 hours to repair up to being written off请给出句式结构，划线句子做的成分和理解，谢谢！

文章 从had expected说起（续篇）

...页上有这样一题：I didn’t expect them_______for me when I arrived there late.A. to wait B. to be waiting C. to have waited D. to have been waiting司教授给出了很好的解答，我想把它说得更透彻一点。我们可以先这么想：不管填什么，都只是wait的不同形式...

问题 句末逗号隔开的句子成分分析

...out that it amounts to the bare, bare minimum necessary to keep the Postal Service afloat, not comprehensive reform.“not comprehensive reform.”2.There’s no change to collective bargaining at the USPS, a major omission considering that personnel accounts for 80 percent of the agency’s costs. ...

问题 成分分析

There were so few students registered that the class was cancelled.After the war, there were many things destroyed to rebuild up in the country. 请问老师：这两个there be句型中，第一个句子是单个过去分词registered作后置定语，第二个句中是单个过去...

问题 是并列结构还是伴随状语

...end hours wandering around the department stores, leisurely inspecting the items for sale, or hunting for some antiques along the sidewalks, where you’ll most likely be amazed by the variety of things on display.  请问老师：1.主句结构中是 spend hours (in) doing sth。那么请问...

问题 need 怎么区分是情态动词还是实义动词

need 怎么区分是情态动词还是实义动词? Someone needs to cover them...Someone need cover them...

问题 这个句子是否缺连词

请看下面句子，Most of us have no idea how heavy 50 grams is and there’s no need to weigh it, just use your best guess.这个句子just后面是一个祈使句，是完整的简单句，把这个简单句和前面的句子连起来不需要连词吗？应该把just前面逗号改句号，jus...