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问题 a drag on（…的累赘）

Wasted time is a drag on Americans' economic and private lives.on的意思是什么？

问题 I'm glad that...与I'm glad about...句式的用法判断

...about coming winter holiday.(介词短语）I am glad about winter holiday to come.（不定式）

问题 如何理解比较句型：A is as adj for sb as B is for sb.

原句：This must have been as difficult for them as landing on the moon is for us today.请问专家老师：1.这句话可否写成：This for them must have been as difficult as landing on the moon for us today is.2.这句话是不是可以理解为：A is as adj as B is.

问题 英语难句结构分析

请问这句话的结构是怎么样的？该怎么正确理解？Men must be taught as if you taught them not , and things unknown proposed as things forgot

问题 不理解一个句子三个逗号

If they are “noisy” active managers, who buy and sell on gut feel, expect more efficiency, not less.老师您好，这句话怎么理解，逗号让我难以理解。

问题 a little修饰原级和比较级的区别（a little fat和a little fatter）

My mother used to be very thin,but now she is a little ____. A.fat B.fatter

问题 分析句子

分析句子:Find out the hours a business is open.

问题 since时态问题

I have lived here for several years now and I've made many new friends since I have lived here.请问，为什么since部分用现在完成时，而不是用过去时呢？ “自从我住在这里” 这动作不是发生在过去吗？

问题 voice可以指狗吗？

Then John heard a __ and opened his bedroom door.A. message B. noise C. voice D. song这个可以选C吗？voice专指人的声音吗？

问题 instead of作什么成分

They raised prices and cut production, instead of cutting costs.他们提高了价格，减少了产量，而没有削减成本。曹老师，后面的短语介词作什么成分？

问题 表示年岁时可以省略old吗

比如：我们的英语老师25岁，还是单身。这样翻译可以吗？Our English teacher is 25 years and still single.

问题 这里的directly修饰介词among嘛

I can receive and send money directly among my friends.

问题 with my mother being ill（with 复合结构中 being 的省略问题）

I won't be able to go on holiday with my mother ______.A. being ill    B. ill 1. 语法书说，这种复合结构后面可以用 being ill，或者是直接跟形容词，那么这句话里边，是不是填哪个都行？ 2. 如果这两种情况不能完全互换的话，...

问题 双重所有格问题(涉及a friend of Jim, a friend of me)

...Jim等）或人称代词（you、me等）？2. 最前面为什么不能用the（定冠词）？3. a friend of mine是否等于my friend？如果是的话，请指教两个短语区别。4. a friend of my father/wife/son这种用法对吗？friend、wife、son等能算人称名词吗？如果对的...

问题 can’t say for certain与can’t say it for certain的疑问

I can’t say for certain. 我说不准。I cannot say for certain where to go. 我说不准该去哪。请问这里用 say for certain，也可以用 say it for certain 吗？say 不是及物动词吗？