well after：意思是“远远在……之后”。如：
Franklin did not turn up until well after midnight. 富兰克林直到午夜过后很久才出现。
It was well after midnight by the time Anne returned to her apartment. 安妮回到寓所的时候早就过了午夜。
well ahead of：意思是“远远领先”“远远超过”。如：
Applications are well ahead of last year’s. 提出的申请数量大大超过去年。
Paula finished the race well ahead of the other runners. 葆拉远远领先其他选手跑完了比赛。
背单词的好方法
随时随地背单词
不知不觉背单词
弄清关系副词的用法特点
英语中的关系副词只有三个，它们是when, where和why。其用法特点有三：一是在定语从句中只用作状语，不用作主语或宾语；二是它们引导定语从句所修饰的先行词分别是表示时间、地点和原因；三是when和where可引导限制性和非限制性定语从句，而why只能引导限制性定语从句，不能引导非限制性定语从句。
There are times when I wonder why I do this job. 有时候我自己也不明白自己为什么要干这份工作。
You learn a language better if you visit the country where it’s spoken. 若到说某种语言的国家去，就能把该种语言学得好些。
Unless you’re ill, there’s no reason why you can’t get those 15 minutes of walking in daily. 除非你病了，否则你没有理由每天连走15分钟都做不到的。
下面是when和where引导非限制性定语从句的例句：
The last time I went to Scotland was in May, when the weather was beautiful. 我上次去苏格兰是五月份，那时天气很好。
In 1963 we moved to Boston, where my grandparents lived. 我们于1963年搬到了波斯顿，我的祖父母住在那儿。

well before：意思是“远远在……之前”。如：
They’ll be back well before dark. 他们会在天黑前早早返回。
She admitted defeat well before all the votes had been counted. 选票还远未统计完，她就承认竞选失败了。
well below：意思是是“远远在……之下”“远远低于”。如：
Radiation is well below the permitted level. 辐射量远远低于规定水平。
Those houses are badly built; they are well below the necessary standard. 那些房屋建筑质量很差，远远达不到起码的标准。

well before：意思是“远远在……之前”。如：
They’ll be back well before dark. 他们会在天黑前早早返回。
She admitted defeat well before all the votes had been counted. 选票还远未统计完，她就承认竞选失败了。
well below：意思是是“远远在……之下”“远远低于”。如：
Radiation is well below the permitted level. 辐射量远远低于规定水平。
Those houses are badly built; they are well below the necessary standard. 那些房屋建筑质量很差，远远达不到起码的标准。

--Sorry, Mum! I failed the job interview again.
--Oh, it's too bad. You ________ have made full preparations.
A. must
B. can
C. would
D. should
I ________ have worried before I came to the new school, for my classmates here are very friendly to me.
A. mightn't
B. mustn't
C. needn't
D. couldn't

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