She's been through such a lot since her husband died.She's gone through such a lot since her husband died.1. has been through 和 has gone through 这两种写法有什么区别，两者意思一样吗?2. such a lot在这里仅仅指经历许多吗？如果经历许多事是不是还需要...
...构。 这是为什么？2）上述举例的that分句中，使用不同的时态，对于动作的发生的时间理解，我搞不清，很困惑，例如：1-1：It isn't surprising that A1 should have married her.我的理解：到目前为止，已经结婚了。 对吗？1-2：It isn't...
Good newsWhat was the good news? The secretary told me that Mr. Harmsworth would see me. I felt very nervous when I went into his office. He did not look up from his desk when I entered. After I had sat down, he ...
Since adults know how to place the key in the key slot, which is the ultimate purpose of approaching the slot, and since the child is neither old enough nor clever enough to realize the desired action on his own, what possible gain is achieved by having him struggle? He may well get frustrated and a...
Lesson 18 He often does this!What had happened to the writer's bag After I had had lunch at a village pub, I looked for my bag. I had left it on a chair beside the door and now it wasn't there! As I was looking for it, the landlord came in. 'Did you have a good meal?"...
Since Solano Marketing was established,the human resoureces department has counted on newspapers to advertise job opentings in the company.However,we have observed that ____ to printed advertisements have dropped since the onset of online employment agencies.A. responses B...
...transformation in the next decade or so more profound than any it has seen since Gutenberg introduced printing from moveable type in the 1450s.老师好，请问一下这句子加粗部分中的it应该怎样理解？我的理解是“it has seen since Gutenberg introduced printing from moveable typ...
...g has been looked up on the Cambridge Dictionary website has risen by 181% since December of 2011, when it was first added to the online dictionary, and searches have doubled in the last year alone.自2011年12月首次被收入剑桥词典网站以来，“升级回收”一词的搜索量增长了...
...ving been allowed
该题的标准答案是 B。确实，如果从时态的角度分析，应该是先被免签证再有的 included the country into their list of the most popular tourist destinations，选B有时态的理由站得住脚；但是，请各位看下面的这个句子：
...
...用现在时 I stop my car here every day
for three years? 还有，在since 引导从句时，主句中为什么会在没有程度频率状语的搭配下，用终结性短暂动词做谓语？如：Since I left school,
my parents have started to treat me
like an adult.
原句： Not since the beginning of the Industrial
Revolution have the prospects for technologies benefiting mankind been so
bright. 问题一：正确的语序是否应为：Since the beginning of the Industrial Revolution the
prospects for technologies benefiting mankind have not been so bright; ...
原文地址：真实条件句主从句的时态问题原文内容：1. If she promised/ has promised (promise) to be here, she will certainly come.2. If he said (say) that, he must be a fool.3．If I was out o...
...p;也可以先后发生。I'll phone you when I get home. *when后时态基本随意WHILE若主句和从句都是长动词，主从句时态必须要一致。You look after the children while I do the shopping. 主长从长故主句过去进行时，while后必须过去进行时...