非谓语动词短语是什么，它是由什么构成的？比如 it is an expression used about 400 years ago by the British writer in his play Othello.这里的非谓语动词短语是不是 used 到 Othello？它是由什么构成的应该怎么看?
Chang theimage
that people have of accountants.这是一句话中的一部分，大致意思理解，但have of不明白，没查到有have of的用法，如果是of和后面的accountants在一起，of+n.表示adj.，在这里也不对。所以，麻烦老师帮忙解惑这是个什么用法。
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Is there a pen, a pencil and a book on the desk?回答用 Yes, there is. 还是用 Yes, there are.问题中采用就近原则，但是答语表示三种物品均放在桌子上，用单数还是复数？另一个问题：an elementary school 表说“一所小学”还是“一所中学”？
老师您好！中国正在开展公众可参加的项目。China is developing some programs in which the public can take part in.这样翻译对吗？这是 in which 引导的定从，可以用that吗? 最后 take part in 的 In 要不要去掉？
With America, caught up in a trade war with China, there is a risk that Hong Kong becomes the focus of a great-power clash.1. With America是什么成分？或者说，是哪一个句子的某一部分给割开了？2. caught up in a trade war with China的逻辑主语是？谢谢！
Salt has been implicated in the etiology of hypertension, sugar in that of heart disease, saturated fats in both cancer and heart disease,and a lack of calcium in osteoporosis.句中：sugar in that of heart disease, saturated fats in both cancer and heart disease,and a lack of calcium in osteoporos...
Please be careful when you are drinking coffee in case you ( ) the new carpet.A. stainB. spotC. pollute答案是A.但是spot作及物动词，也有stain的意思，同理，pollute 也可以的。请问老师B和C是否也可以？
...ychological condition，until one day we find ourselves in garden and feel the oppression vanish as if by magic.
这里的which为什么是引导定语从句呢？这里的从句不缺主语和宾语，所以为什么要用which引导呢？
...ychological condition，until one day we find ourselves in garden and feel the oppression vanish as if by magic.
这里的which为什么是引导定语从句呢？这里的从句不缺主语和宾语，所以为什么要用which引导呢？
Another perennial music favorite is calypso, which is also sung in the Caribbean island English dialect. （此处favorite是名词吗，如把favorite和music的位置换一下 变成形容词词性，句子整体意思是一样的吧）学生的积累不多，阅读中时常碰到不懂的很多...