找到约 60000 条结果

问题 as用法存疑

_____ a computer solves a probelm, it must be given to a program.A. As         B. Because         C. Before正确答案是 A, 但不确定 as 在这里作何词性，作何意思？望老师解答，谢谢！

问题 while从句的用法理解（2012高考湖南卷）

______ I always felt I would pass the exam, I never thought I would get an A.A. While       B. Once        C. If       D. Until本题答案为A。请问这是 while 的什么用法，句子意思如何理解？

问题 while从句的用法理解（2012高考湖南卷）

______ I always felt I would pass the exam, I never thought I would get an A.A. While       B. Once        C. If       D. Until本题答案为A。请问这是 while 的什么用法，句子意思如何理解？

问题 情态动词must ,will should,can,may等表示推测的区别

单项选择题 1. He____ you more help,even though he was very busy. A.might have given   B.will have given  C.should have given  D.may give 2. Peter____come with us tonight,but he is’t very sure yet. A.must  B.may  C.can   D.will

问题 ​用现在完成时和过去时都可以吗

—When did you move to Sanya?—In 2008. But I _______ in Tibet for 8 years.A. has worked B. has been workedC. have been working D. worked用现在完成时和过去时都可以吗？

问题 is believed to have been 分析

The Bent Pyramid outside Cairo ______ ancient Egypt’s first attempt to build a smooth-sided pyramid.A. has been believed to have beenB. was believed to beC. is believed to have beenD. is believed to be请问这题的答案为什么选C，可以给我讲解一下这题的语法点吗...

问题 unless还是until

Helen was very rude to me. I refuse to speak to her again ________ she says sorry.请问填 unless 还是 until？

问题 must能否用于将来时？

...，我却发现一道题： 用情态动词填空： --Must I return the book tomorrow? --No, You _______. 句中 Must I return the book tomorrow? 是一般将来时，但用的却是 must，与老师讲的矛盾。请专家指教，谢谢。

问题 选择题选项中expire,due,scheduled,valid的区别

We have always honored our commitment to pay the drafts _______.A. expire         B. due          C. scheduled           D. valid

问题 everything, anything比较

The fact is, we can't control ______ that happens to us.老师好，这里填everything还是 anything 呢？读读好像都通的,谢谢！

问题 the same as 与 the same as that的区别

Is the weather in China the same ______ in Brazil?A. from one  B. as    C. as that     D. like this请问如何选择，为什么选 as 是错的？

问题 will do 与 is to do 的区别

Her hope ________ the 2008 Olympic gamesA. to take part in B is to take part in C. taking part in D. will take part in为何选B而不是选D，希望大家给予一些建议。（本人英语初学者，莫要太深奥）

问题 分词独立主格和with复合结构的区别

We could see that the larger of the Brothers (an island) rose sheer out of the sea,____ some two hundred feet high.A.the cliffs wereB.being the cliffsC.with the cliffsD.the cliffs being这里为什么不选C而选D呢？

问题 have an aversion to do还是have an aversion to doing

She has a deep aversion to _______(get) up in the morning. 如何填？是填动词原形 get 还是填动名词 getting？

问题 notice sb do sth 与 notice sb doing sth 的区别与比较

您好，请教一道题。 Did you notice volunteers _______(help) a man cross the street ? 答案给的是help，为什么不是helping呢？[抱拳][汗]