Class was over,but the difficult physics problem _____ unsolved. A.left B.kept C.taken D.remained.学生不知道B、D选项如何选，kept和remained都有“保持”的意思，都可以做系...
what becomes of …作为一个固定句式，它的意思是“……后来变成怎样？”，它用于哪些时态？谢谢们！如题
Three quarters of the theater was full.Only one-third of the class is going to make it.这类句子中的谓语动词怎么用了单数呢？从意义上看好像是复数。请解惑，谢谢。如题
clever at 与 clever with 有何区别？它们同义吗？如题
by hand与with one’s hand的区别是什么? 它们怎么翻译成汉语都是“用手”吧？如题
I think I ate too much at dinner last night.It was an all-you-can-eat meal at the restaurant. 如何怎么翻译其中的 all-you-can-eat？如题
你好，今天作业中有这样一道单选题The telephone,_____was invented by Alexander Graham Bell.A.as is known by us B.which we know C.as we kno<...
let alone（更不用说）后接动词用什么形式？比如下面一题：The baby can’t even sit up yet, let alone _____ (walk).该填不定式？动名词？过去式？还是……如题
类似twice a day 这样的结构中，表示“每”的a能否用every,each.per代换？学生查阅了手头的资料，没有找到确切的答案，请专家给予指导，谢谢。如题
“当我年轻时”可说成As I was young吗？有次听说，这是不合英语习惯的，这是真的吗？我表示怀疑。如题
在一篇文章中看到ago today和ago tomorrow，它们是什么意思？如题
我们似乎平时常见 Mr wang, Professor wu 等说法，那么类似 Teacher wu 可以吗？盼望专家就此类表达法给予讲解，非常感谢您们的付出。如题
用英语表示“写”日记（a diary），到底是用动词 write 还是 keep？有时看到 keep a diary，有时看到 write a diary。也有人说只能用keep a diary，不能用 write a diary。请帮助解释！如...
______ struck me most in the movie was the father’s deep love for his son. (2013年重庆高考)A. That B. It C. what D. which答案是 C，请问为什么不能选 B 呢...
"what was surprising to us was the biggest predictor was not whether they had exerted self-control ," Mr Inzlicht says. Instead, the predictor was...
Today, the topic of my speech is Chinas Farwest Program.