1214 个回答
限定分词、非限定分句、无动词分句
简单总结一下（以while分句为例）：1. 限定分句：指有主谓结构的分句。如：While we were waiting, a man came in. 我们正等着时，一个男人走了进来。While we were on holiday, my bag was stolen. 我们在度假时我的包被偷了。While he was talking to us he toyed with his pencil. 他边和我们说话，边摆弄着铅笔。2. 非...
回答于 2021-02-04 14:45
主句和条件状语从句都用一般现在时的情况
你说的情况，我帮你大致归纳以下用法：1. 表示必然的因果关系：If the water is flowing, there is a leak. 如果水流出来了, 就是有漏洞了。If you break the speed limit, the penalties are severe. 如果你违章超速行驶，受到的处罚会很严厉。2. 表示习惯和倾向：If it rains, we usually stay indoors. 如果下雨我们通常...
回答于 2021-02-04 14:20
only为什么放在句末
同意陈老师的分析和解答，此问题也可参考“英语语法网”上的一篇文章：http://www.yygrammar.com/Article/201103/2001.html。
回答于 2021-01-27 23:42
sit up and take notice的理解
sit up and take notice是习语，主要用于口语，也可省略 sit up 而只说 take notice。但加上sit up的sit up and take notice含有“开始”注意，“突然”注意的意思，即相当于start to pay attention或suddenly start paying attention。 The news made them sit up and take notice. 此新闻一下子就引起了他们的关注。
回答于 2021-01-27 23:39
省略句省略的成分
可视为以下句子的省略：Flatter people who are high and people who are low, and people who are rich and people who are poor, and people who are silly and people who are wise.或者：Flatter people who are high or low, and people who are rich or poor, and people who are silly or wise.注：high and low可用...
回答于 2021-01-27 23:02
by the narrowest margins与by the narrowest of margins
by the narrowest of margins 是习语，意思是“以极微弱的优势”。注意该习语必须有介词of，margin必须用复数。如：He lost the race by the narrowest of margins. 他以极小的差距在赛跑中落败。The poll shows that the government is leading by the narrowest of margins. 民意调查显示，政府以极其微弱的优势领先。比较b...
回答于 2021-01-26 22:04
He asked for a glass of beer, but they _________(drink) all...
注意句中的 but，前后有转折。这里的语境是：他要一杯啤酒，但他们（不包括“他”的其他人）把啤酒喝完了，所以要一杯啤酒并没有要到——别人喝完啤酒在先（用过去完成时），他要啤酒在后（用一般过去时）。
回答于 2021-01-25 14:58
camel’s hair还是camel hair（骆驼毛）
应该填camel’s hair，即：In those days, a brush was made from camel’s hair. 那时，画笔是用骆驼毛制成的。又如：It is made of sheep’s hair. 它是由羊毛制成的。He was afraid the dog’s hairs might dirty the seats. 他担心狗毛会把座椅弄脏。She spins goat’s hair into wool/spins wool from goat’s hair. 她把山...
回答于 2021-01-25 14:52