网上看到的一句话：The top U.S. commander in Afghanistan had been out campaigning for more troops on top of the...
▲He must be sad. 他一定很伤心。 He must have been sad. 他当时一定很伤心。 关于 must be 对现在和对过去的推测这个知识我已经掌握了。请问，有没有可能对将来作推测呢？ ▲It may be rain tomo
Tom has gone out. Tom_______. A. was out B. has been out C. is off D. will be out 对不起，由于匆忙，c 选项前一问题中打成了 ...
表示病得很严重，一般是用seriously ill 吧！但是英语可以说 very ill 吗？另外，要表示病得很严重，英语还可用哪些形容词来修饰 ill？谢谢！如题
看到这样一个句子：She is very athletic; she has a lot of get-up-and-go. 她体格健美，有活力，有朝气。觉得 get-up-and-go 这个词很有意思，英语中还有哪些词也是这样用连...
请问：Have a drive in my new car. 这个祈使句为何意？如题
a portrait of one of his favourite models seated on an elegant sofa. 请问这句话为什么seat 前不用加助动词，比如用 was seated 等...
1，A teacher is a person whosr duty is to teach.2，A teacher is a person whosr duty it is to teach.两句之差只在it 上，书上说：第二个句子是第一个句...
如下面这句：We had the machine repaired. 我们请人修理了机器。可以这样改一下吗？We had the machine repaired by Mr Wang. 我们请王先生修理了机器。我的意思是：在have sth done 结构后可以加上 by 短...
“房门”可以说成 room door 吗？即直接用名词作定语。还是用所有格，如说 rooms door？ 如题
书上说 hear 不用于进行时，可是人教版上有这样的句子：They were hearing the story for the first time. 敬请专家解惑。如题
Environmental pollution is becoming increasing severe with the progress and development of the human society. 此句型为什么句型...
Have a drive in my new car. It is easy to start. 请问句中的it指代什么？it是指代名词the car，还是指代不定式to start？如题
说，quite可修饰动词，但不是可以修饰所有的动词，它只能修饰少数动词，我问这少数动词是指哪些，她说比如like, love, enjoy, fancy, forget等，我怀疑quite是否真是这样用的（比如用q...
下面是2013高考英语的北京卷考题：If we ________a table earlier, we couldn’t be standing here in a queue.A. havebooked B. booked C. bo
比较下面两个句子，在条件状语从句中，一个用了should，一个用了一般现在时，它们的区别在哪里？If a war breaks out, many other countries will be affected. 一旦战争爆发，...