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问题 in and out是个短语吗？是作状语成分吗？

in and out over the past few months. got me on an experimental treatment.1.in and out是个短语吗？是作状语成分吗？还可以作其他句子成分吗？2.这里over是介词吗？over与in and out是什么关系？3.get on在这里是个短语动词吗？为什么能拆开，get后加一...

问题 use,useful,used的用法

下面是一道月考题：Many adults learn English, because it is _______ (use) in their work. 正确答案为 useful，但我写的是 used，可以吗？但是我觉得，它们只是含义不同，但语法都没有错，是这样吗？

问题 副词可以修饰主语或名词吗

The trip, under way as The Economist went to press, began in Saudi Arabia (whose king, Salman bin Abdul Aziz, is pictured with Mr Xi).句中的 under way 作副词修饰 the trip。请问在英语中，副词可以修饰主语或名词吗？

问题 关于as做从属连词

......,as is mentioned above. 这句话按传统语法理解为定语从句，as指代前面整个句子，在从句中做主语。 按现代语法，是比较状语从句，状语从句的连接词不是从属连词吗？从属连词在句中不做成分，但as做为从属连词怎么在句子...

问题 outdoors在这里是什么用法？

 so that even if you do spend time outdoors, your face is less likely to give away your age. spend time outdoors. outdoors是形容词吧 ，，为什么放在time名词后面。v+noun+outdoors？这啥用法，宾补吗？

问题 现在分词放在最前面是倒装句吗

And officiating at tonight's blackout is Rabbi Tribbiani.拉比·特里比亚比尼（Rabbi Tribbiani）主持今晚的停电仪式。为什么倒装的目的是为了强调吗?谢谢老师解答!

问题 后置定语和目的状语区别

...hest priorities for promoting rapid economic development in poor countries is wrong. 请问各位老师，这里for promoting rapid economic development in poor countries 是后置定语修饰the very highest priorities还是目的状语呢

问题 不定式进行时的问题

Scott is very generous to be always inviting us out for meals这里为何用to be doing？to be doing表达与谓语同时进行的动作。这里有always表习惯，不是应该用不定式原形 to invite吗？

问题 主语从句和强调句区别是什么

像这个句子，觉得看作主语从句和强调句好像都行。 It was in the evening that I first met him. 但这个句子，好像只能看作主语从句 it is very important that you need to study hard.

问题 works作主语时的主谓一致

He has written several books, but his last works ____ well known among his friends．备选答案分别为: are，is，have been，have这里应该用单数还是复数谓语呢?

问题 have的问题

This tooth is too bad to be filled anymore.It has to be pulled.Do you agree to have it extracted? 这里的have it extracted .  have是动词 it 是宾语 extracted是补语修饰it 对么？可是这样的话我感觉have没有放在这里的意义，直接把extracted 变成动词放在it前面...

问题 of在这有何理解

more probable is bird transport, internally, by the swallowing of fruit. 这句话中后面如果翻译是直译为通过水果的吞食，但实际作者想表达的是通过吞下水果，但为什么中间要加of，如果不加of直接by swallowing fruit 不是也可以吗?

问题 非谓语动词，用hoping还是hoped

This course is of great interest to students, ___ (hope) to improve their writing skills. 老师们，请教一下，这里course和hope不应该是被动关系吗，为什么答案是hoping？

问题 since after是什么用法

Economy is one powerful motive for camping, since after the initial outlay upon equipment, or through hiring it, the total expense can be far less than the cost of hotels.请问为什么两个 since after 连在一起用啊？

问题 这里为啥选made而不是have made

The bread is really delicious. Thank you. I（）it myself.为啥括号里答案是made而不是have made呢？