... I happened to wake up earlier．I turned on the TV and I saw that a plane had crashed into the North Tower of the World Trade Center．My first reaction was that it was a terrible accident．Then I saw another plane fly into the South Tower and I realized that I was witnessing an act of terrorism...
What I had believed in, all those things I thought were necessary for a
civilized life, were non-existent in this place.请问下老师们，这句话的句子成分如何分析？谢谢我的理解，这个句子主干是 what i had believed in were non-existent in this
place. all those things i th...
...ao Xueqin from the Qing Dynasty, also described a maid who sent/had sent a hand warmer to Lin Daiyu in one chapter.这里是用 sent 还是 had sent 呢，我的理解是，曹雪芹写描述的时候，用了过去式，那么曹雪芹描述的故事是发生在过去的过去，是...
...”句子要用过去完成时。如：
By the time I got home, she had already gone to bed. 我到家时她已睡觉了。
By the time he got there, everyone else had arrived. 他到达那里时，别人已都到了。
The rain had set in steadily by the time we got home. 我们到家的...
句子1：They all had terrible internal injuries, such as had not been seen in Europe, America or Australia since the 19th century. Here these were endemic, owing to the malnutrition that meant the bodies of Ethiopian girls remained small.句子2：Boris Johnson, Britain's prime minister, hates...
...将从现”的原则，但发现有些例句并不遵从此规则：①I had been looking for the book for two days before I found it at last.②We had scarcely left our school when the rain began.③By the time I got to the station,the train had already gone.在以上例句中，主句均用的是...
...ed just a moment too long, that I was sneaking a touch of the stubble that had begun to sprout near his ears.老师，我想问一下“sensing by my touch, which lingered just a moment too long”这句话，它是什么成分，这个sensing的主语是谁。
Engrgy is the material foundation for the progress of …. Books fill leisure time for many people.这两个为什么一个加了the 一个不加？It accounts for 60% of the world economy and 50% of international trade. 经济和贸易总量分别占全球总额...
...sp;The change has not happened overnight. For years, some specialists have had an ___5___ feeling that bed rest was not the answer. But what finally put an end to ___6____ bed rest was a study of more than 200 patients who were treated for back pain in a clinic in Taxes. Not only did patients w...