A man escaped from the prison last night. It was a long time ____ the guards discovered what had happened.
A. before B. until C. since D. likely
答案为before，请问可否选择until？
...covered the wonder and excitement of scientific study of those animals she had learned to know and admire as a child tramping through the woods. 1. learned to know 是通过学习知道的意思吗？to know是结果状语吗？2. as a child tramping through the woods是时间状语...
例如：He wrote a letter apologizing to his daughter for what he had done.这里虽然根据经验，能填出来apologizing，因为letter message post等后面经常用现在分词表伴随，但总是会想到，为什么不能填 to apologize表示目的呢?再比如：She read the letter thro...
... the evening, and it was on that occasion, to explain the emotion which he had shown, thathe confided to my keeping that narrative which I read to you when first I came.1) It was on that occasion...that he confided to my keeping that narrative...是强调句吗？2）看不懂为什么这里...
If obesity wasn't so costly，this scheme_________proposed.A. might never have beenB. might not be这道题正确答案是A，但是我认为如果要用have been的话，从句应该用had来表示对过去的虚拟，选B看起来是没问题的呀，恳请老师帮忙解答！
...解释的从句。如：The judge paid no
attention to the fact that she had just lost her husband. 法官毫不考虑她刚刚失去丈夫一事。句中的that she had just lost her husband为修饰名词the fact的同位语从句，用以具体说明the fact的内容。Mary suddenly got the
feeli...
...018, Von Wong wanted to
illustrate (说明) a
specific statistic: Every 60 seconds, a truckload’s worth of plastic enters the
ocean. For this work, titled “Truckload of Plastic,” Von Wong and a group of
volunteers collected more than 10,000 pieces of plastic, which were then tied
together to l...
...ing to make me feel at home as you can,and that was actually what you had done: you'd taught me the customs of UK so I wouldn't be embarrassed，you'd ……(后面是一串的过去完成时）请问这里的时态用的对吗？另外，UK前有加定冠词the，也有不加...
... the hand clutching the kite end of the string
held high above my head. It had been so long, so many years since I'd done
this, and I wondered if I'd made a spectacle of myself. I let the spool roll in
my left hand as I can, felt the string cut my right hand again as it fed through. The kite was lif...
...sp;, ran into the soldiers of the enemy 12th SS Panzer Division, who had allowed the barrage to pass over their positions before opening fire.以上文字改自英文维基百科在这个句子中，who引导的定语从句是修饰“12th SS Panzer Division”还是修饰“9th Battalion”...
...于今天是假日，所有商店都关门了。The weather being hot, we had to stay at home. 由于天气炎热，我们只好呆在家里。There being no further business, l declare the meeting closed. 没有再要讨论的事了，我宣布散会。Other things being equal, Alice would marry Ji...
...气也随着跑步而持续进行着。
所以我觉得应该写成，he had been running and（been） out of breath 或者he was running and （being）out of breathe. 不知道我想的对不对。
In village after village, people too afraid to go back into any houses still standing are gathe...
...？我看不明白3、This was, New York apart, the first American city I had ever been in where people actually lived downtown. 4、He weaved around the tables to where she sat with Bob. 问题2:请教曹老师，您在一个问题中说，where不能作in, to, at 的宾语，但是我找到了2...
...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...