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问题 星期前不加介词

请问一下，The 2019 World Artificial Intelligence Conference was held Thursday in Shanghai  这个句子中为什么Thursday前不加on，而被省略。   谢谢老师回答了。

问题 down是介词还是副词的区分

He rolled his suitcase down the hall. 这句话里面down是介词还是副词？

问题 seen as that疑问

a meeting which has been seen as that of the earliest parliament 这里的seen as that理解不了。

问题 as单独使用的方法

这句句子里as是做副词吗？adjusting the heater fan can take twice as long when using a touchscreen rather than a physical button

问题 副词是否能修饰be动词

where is the toilet.1.副词是否能单独的修饰be动词。2.where是疑问副词 ，在这句话中 where 是在修饰is么。

问题 不及物接同位语从句疑问

The story goes that William killed his wife. 为什么goes不及物可以接从句？

问题 dinner什么时候加冠词

1. He cooked us a huge dinner.2.Make dinner / prepare the dinner3.When do you have dinner?请老师总结一下dinner什么时候加冠词？

问题 关于一道单选题的疑问

The way _____ he looks at problems is wrong.A.which      B.whose       C.what     D./请教老师，这个题目为什么是选D？

问题 experience是持续性动词吗

例如:The company have experienced a remarkable growth in recent days.这句话正确吗？

问题 从句的省略

This rule may have preserved the shark from being eaten as well as other animals ______.空格处答案给的是hunted. 省略了from being.我想问一下，这个省略是遵循了哪条规律呢？为什么可以省略，有没有什么推广性？

问题 hardly翻译问题

Beside a desk sits a young lady，lowering her head and working hardly，with two piles of books on the desk. Work hardly参考书中给的是努力工作，但是hardly不是表示几乎不，表否定吗？

问题 谓语和非谓语的判定

The man looked at me, smiling and ____(say) “Thank you.”请问这个空填said还是saying，还是都可以?

问题 ten meters long用法

The classroom is ten meters long / ten-meter long.ten-meter long可以吗？如果不可以，错在哪里？

问题 句子成分

1. All human being are born ______.   A.equally   B. equal空格处做啥成分选啥词性？2. The home improvements have taken what little there is of my spare time.what从句的成分如何划分？there is起什么作用？

问题 同位语

However, its most recent meaning, of "speaking your dreams into existence" is first recorded only in the early 20th century, associated with Spiritualism, and has become widespread only more recently. 这句话的of为什么和前面分开？这是什么写法？