【题文】They have made so great progress _________. A. three years ago B. for three years C. in the past three years D. before three years 我想问，make progress是短暂性动词吗? 若是，那么为什么和一段时间连用?（我之前看到过make friends with 变be fri...
我网上看到了这样的一句话The more...,the more you will find things to be grateful for in your life.我一开始觉得这话肯定不对，因为这样看下来是“生活对……感恩”，介词for也无处着落；但是后来我在想work to do的这种结构，把to be grateful for...
Reconsider the 15
minutes you spend in line at the café to get coffee．That's a
quarter-hour more you could be sleeping if you bought a coffee maker with a
timer．问： That's a
quarter-hour more you could be sleeping ，改为You could sleep a
quarter-hour more .(你可以多睡15分钟。)而...
遇到既可以当介词又可以当连词的词，怎么区分后面接的doing是动名词还是现在分词?I need more practice before taking the driving test.句子里的 before taking the driving test为什么不是介词引导动名词作状语，而是连词引导的现在分词作状语?
1.①After exposed to the sunlight for too long,your skin will become dark .
②After being exposed to the sunlight for too long,your skin will become dark.
请问 这两个句子的区别是什么？
2.引导状语从句的“引导词”既可作连词也可作介词(如after，before，since...
...什么成分？为什么可以修饰形容词？ 2.Where did you get these doors?
From the old houses which were _____ by the _____ workers. A. taken downB. pulled down 教材给的答案是b，但我感觉AB都可以，请问老师这两个有什么区别吗？
... 今天查阅earnings时看到 麦克米伦的一条例句： Over the last decade, earnings rose faster than prices. 我读PEU的相关讲解，与一段时间连用的是现在完成时：I have know her for years. 麦克米伦的例句可改为 完成时吗？ Over ...
...接反射不定式时，这个反射不定式是什么成分啊？比如：The book is difficult to understand. 这书很难懂。He’s very easy to get on with. 他容易相处。The boy is impossible to teach. 这孩子不可教。This long sentence is hard to understand. 这个长句子很难理...
...师证明第二个时间结构是定语，或承认其也是时间状语。The submarine was found on August 11, about 15 hours after it had departed Copenhagen. （By Susanne Gargiulo, Katie Polglase and Laura Smith-Spark, CNNUpdated 1213 GMT (2013 HKT) October 7, 2017） Clark Count...
..._（度过你的业余时间）, playing cards at home or taking a walk in the park? (spend)可以理解正确答案是：不定式做目的状语。但是为什么不可以填spending 呢？You enjoy spending your spare time in playing cards at home or taking a walk in the park.这样不...
...s其实是指Fridays and Saturdays的“晚上”）又如：Meetings, and the time for them, are a considerable management expense. 会议及所费时间是一笔颇大的管理花费。（《牛津英语搭配词典》）此处的 meetings 以及the time for them 其实是“会议”以及“所...
...作为 adv 时的用法让我不解：It's interesting that he sent me the book twenty days before the deadline for my book.(1) 这里的 that，就是所谓的形容词性从句还是主语从句？(2) 为什么这里是副词，后面有名词啊？谢谢，如有相关例句更好！