问题 when引导的时间状语从句的题目

Several weeks had gone by _____ I realized the painting was missing.A. as B. before C. since D. when这道题为什么选B不选D呢？当我意识到的时候，已经过了好几个礼拜了。但是答案是B before。before我也可以理解，但是我觉得D也是对的。

问题 一般现在时连用明确的过去时间

Thompson (1988) argues for the discourse basis for the distinction between attributive and predicative uses of adjectives.这个句子的时态有问题吗？前面括号里的1988表示时间吧？为什么还用一般现在时？

问题 as和when引导的时间状语从句

语法书上有这样一组同义句：As a student he had known great poverty. =When he was a student he had known great poverty. 他当学生时，经历过很贫困的生活。我的问题是，为什么等号后面的从句不用as来引导呢？可以用as来引导吗？

话题 being done和when引导从句的关系。

问题 对straight ahead of him短语的疑问

Straight ahead of him he saw between the tree-trunks the sun, just rising,very red and clear      Straight ahead是副词短语吗，若是会为什么后面会有of him 。副词和介词是可以搭配应用的么  。谢谢老师回答！

问题 where还是what

He always comes late to work, which, I think, is ______ he should improve in the future.A. where   B. what   C. why    D. when本题不太可能选 why 和 when，但如何区分是选 where 还是 what 呢？

问题 When he came in, all stopped talking.错在哪

下面的句子有错吗？When he came in, all stopped talking.谢谢！

问题 that 指代单复数

Syria is a difficult place to train as a table tennis player. When Zaza is practising, there is no air conditioner and power failure is common.However, none of that has stopped Zara from practicing table tennis.请教老师：1) 上文中的none of that 使用是否正确？是否应该用Neither of...

问题 不定式做目的状语有时态变化吗

______  the convenience of digital payment, many senior citizens started to use smartphones. A. To enjoy  B. To have enjoyed

问题 because从句为什么不用现在完成时

The tiny village of Frinley is said to possess a 'cursed tree'. Because the tree was mentioned in a newspaper, the number of visitors to Frinley has now increased. The tree was planted near the church fifty years ago, but it is only in recent years that it has gained an evil reputation. It is said t...

问题 stated和period在文中什么意思？

名词解释：budget an amount of probable future income and expenditure during a stated, period, usu. a year used as a a guide in making financial arrangements 疑问：a stated是修饰period(一段时间)的吗？怎么中间有逗号隔开？

问题 向alex老师提问：关于when引导的时间状语从句表习惯的用法

...以下几点疑问，这些疑问也是困扰我很长时间的：1.关于when从句表repeated actions：我的理解是进行体用在这个动作正在发生的的情景，但是表示的是习惯，You look lovely when you’re smiling.这个的情景可能是：我看见你正在笑，我说了...

问题 求while, when 引导让步状语从句的例句

书上说while, when 也可以引导让步状语从句，表示“虽然”“尽管”，但没有例句，求相关例句（要求比较权威的），谢谢！

问题 定语从句的关系词at which和when

Researchers are looking at how new technology may be delaying the point which college-bound students truly become independent from their parents. 请问这里可以将which改成when吗？答案是在which前面加上at

问题 句子成分分析

...antang River, the lake didn’t come into existence until the 8th century, when the governor of Hangzhou had the marshy expanse dredged.请问这句话里粗体部分是独立主格吗？2. More than 1000 papers and professional reports have been produced by students accompanying him in the program...