话题 用不定冠词

话题 代词用ones

用户 用魔法打败魔法

话题 用单数还是复数

话题 测试用

问题 过去完成时的用法疑问

在总统统治下，经济一年年衰落。译文：Under the president's power , the economy had declined year by year .问：该句中没有出现过去的比较对象即过去的过去，却为什么用了过去完成时？如果用一般过去时与过去完成时的区别是什么呢？

问题 关于demand doing用主动表被动

请问有没有 demand doing 结构，用主动表被动？

问题 如何翻译“爬十层楼”

His work including climbing the tenth-floor building and delivering milk to people.请问专家：这个句子对吗？可以用 climbing the tenth-floor building 来表示“爬十层楼”吗？谢谢！

问题 while, but 比较

Those whose mothers are still living often wear pink or red rose or carnation, while those whose mothers are dead wear a white one.请问“while”用but可以吗？谢谢！

问题 while, but 比较

Those whose mothers are still living often wear pink or red rose or carnation, while those whose mothers are dead wear a white one.请问“while”用but可以吗？谢谢！

问题 关于过去进行时的疑惑

语法书上对过去进行时举了三个例：We were having dinner when they came.I was busy yesterday,I was preparing for the exams.I was reading aloud while my brother was watching TV.我的问题是：1.第1句前半部份having dinner是进行时，为什么后半部分 they came 没用进行...

问题 dressing和dressed使用时该如何区分

老师好。请问下面两句里dressing和dressed都做定语吗，有什么区别么。多谢老师。1. ScienceMuseum holds a two-day "birthday bash" that often involves people dressing as Franklin.2. Seven people dressed like Brink's workers—but with masks and gloves—entered the building ar...

问题 形容词的种类

老师，帮我介绍一下形容词的分类和每类形容词作定语的意义。

问题 should还是might（2004年浙江高考题）

I _____ pay Tracy a visit, but I'm not sure whether I will have time this Sunday.A. should      B. might       C. would        D. could这是2004年的浙江高考第26题。网上给的答案不统一，有的说是 should，有的说是 might...

问题 that is to say 在句子中的成分

This is the famed citation index, that is to say the number of times a paper has been quoted elsewhere in the scientific literature, the assumption being that an important paper will be cited more often than one of small account.请问在句子中, that is to say 做什么成分呢?