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问题 不定式和现在分词的区分

China is witnessing the internet swarming with Whanghong, the grass-root internet celebrities who win nationwide population by pulling stunts.swarming是否可以改为to swarm？如果不可以，什么时候witness后可以接：名词+不定式？

问题 现在完成时态和过去式的区分

Shepan is famous for its caves, all 1,360 of them, which have earned (earn) it the nickname – "Island of a Thousand Caves."have earned是否可以改为过去式earned？

问题 hold和observe 都没有'纪念'的意思,

牛津高阶朗文当代 Collins 麦克米伦韦氏  observe词条都没有提到'纪念’这句翻译中的'纪念'应该换成什么跟bserve对应 ?要不就是observe换成__ ?再不就是把‘纪念’撤了?

问题 too...to和so...that...

The shoes are too small to wear.The shoes are so small that I can't wear them.为什么too...to中wear后面不需要再加宾语了呢

问题 英语句子改错

Most Americans would not be happy without a color television, two cars, and working at an extra job.帮我看一下这句哪里有错误? 谢谢!

问题 分析句子

At the same time , passengers are demanding more from their air travel experences which will drive more improvements touching all aspects of the journey.请帮我分析这个句子的结构吧

问题 have time to do sth和have time doing sth的区别

请问 have time to do sth 和 have time doing sth 的区别？

问题 as long as和the moment 区别

 The police set about arresting the suspect _______ they found enough evidence to prove him guilty.A. immediate         B. as long asC. the moment         D. as far as答案为A。请问B. as long as和C. the moment 区别

问题 in的用法(涉及used...in...结构)

Prince Hamlet used revoltingly grisly images in vicious baiting of his hated uncle when he told him that in nature's food chain, the worm is king.in是在...方面的意思吗？把.....用在哪方面？

问题 We know who had it built-句子问题

...d it built这里可以had built it吗？这里的built是不是过去分词和have+宾语+done的形式，还是过去式做被动语态？有点搞混了,谢谢！

问题 with介词短语作什么成分

...蛋村本身它就作为一个完整的世界，有它自己的一些标准和厉害的人物，首屈一指，因为它没有意识到自己是这样子的。我想请教老师几个问题：1.逗号隔开的with its own standards...做什么成分呢？2.grown to accept...这里是分词结构吗...

问题 b y有类似于of短语当后置定语的用法吗？

...这里为什用by短语作后置定语，我感觉应该用of？？？这by和of当定语用区别是什么

问题 period的用法疑问(为何period后不加of)

...甚至坐一坐就能达到。人体组织在一定程度上有自我修补和自我恢复的能力，有张有弛地连续活动时，其功能最佳。问题：为何period后不加of?

问题 辨析: achieve和attain

After working for the firm for ten years, he finally ____ the rank of deputy director. A.achieved   B.approached    C.attained     D.acquired 答案是C，我选的是A，想请教一下老师两者之间有什么区别。

问题 如何区分defeat表示“取胜”和“失败”

I feel sorry for their defeat by the opponents. 他们被对手打败了，我感到非常难过。We cheered for their defeat of the opponents. 我们为他们打败[战胜]对手而欢呼。 疑问：对这个defeat何时表示取胜何时表示失败不理解。