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问题 请问这句话如何理解

Three days later, London housewife Luisa Carlill went down with flu. She was shocked. For two months, she had inhaled thrice daily from a carbolic smoke ball, a preventive measure guaranteed to fend off the flu-if you believed the advert, which she did.请问: 这里的a preventive measure guarantee...

问题 介词like后面可以接不定式吗

What is it like to work for a boss who is much youger than you? 请问这个句子中的 like 是介词吗？如果是介词，那它后面为什么接不定式而不接动名词呢？

问题 because在这里有什么作用

Not only is smoking bad for your health,it's the source of social  problems in developing countries because, since profit from tobacco is very high, tobacco has taken up the best food-growing areas,leading to food shortages.请问 because 在这里有什么作用？

问题 分析成分（from customer paying to park）

它并不通过用户付停车费盈利。It doesn't make money from customer paying to park. 这个from后面是从句还是什么？

问题 if条件句疑惑

If he can't chop vegetables with one hand he simply uses his feet.这篇文章讲的是一位残疾人士的生活。请问该句属于0条件句吗？（没有用he will simpy use）请问什么时候用0条件句呢?我有点迷惑。谢谢！这句却要用将来时：If you open it, you will...

问题 hand 作及物动词与不及物动词的疑问

"Hand in your homework!" she repeats 3 times to emphasize its importamce.老师，如何理解 hand,及物动词吗？为什么没有宾语的？

问题 worth前的货币写法疑问

Maezawa said his promotion on Twitter was a show of gratitude after Zozotown sold 10 billion yen worth of merchandise during its New Year's sale. 这里的10 billion yen worth与10 billion yen' s worth有什么区别，两种写法都可以还是第一种对？请老师解答一下

问题 if从句可不可以用进行时表将来

We want to go to the beach tomorrow,but we won't go if it is raining.如题，这句话对吗？

问题 is 后跟动词原形的疑问

All he wants to do is make love.All you're going to do is highlight it.All I have to do is learn English.我注意以上句子is后跟的都是动词原形，我不了解这一语法背后的知识，请老师解疑答惑，如果举几个例句方便理解就更好了，感谢！

问题 非谓语动的不定式

comparison may make something appear more beautiful than it is when  ______ alone. A.to seeB.seeingC. is seenD. seen为什么选seen，虽然语境是这样（see 不应该是不及物动词吗？、知道look是不及物动词），麻烦凡哥讲解一下

问题 同位语远离修饰词

...have been through to headings rather than the full story, a document which it shelves in remote locations of the inner library.这里a document是our mind liking 的同位语嘛？还想请教一下，同位语可以指代句子，从句，短语等等吗？谢谢了！

问题 Only位于句首，为什么不倒装呢？

"Plenty. Plenty. Only he wasn't guilty of it."足够了，足够了，只是那件事并不是他的罪过呀。这里Only处于句首，为什么没有倒装呢？

问题 to do 和doing

_____ you the truth, she knows nothing about it.a) Tell   b) Telling   c) To tell    d) Told  c）是正确答案。请教老师，b）是否也正确，telling 做伴随状语表示正在告诉你个事实她对这件事什么也不知道。谢谢老师。

问题 looking的用法和词性

The water was deep blue and sunlight glittered on its looking glass-clear surface.looking在此句中是作形容词还是名词?我的理解是looking是作形容词。但如果looking是作形容词的话，我总觉得looking应该放在glass-clear的后面才对。正如下列例句：a most dis...

问题 分析不定式 to recognize a masterpiece

He knows enough about art to recognize a masterpiece when he sees it.这里的不定式to recognize a masterpiece怎么分析？