问题 key to do sth与key to doing sth的对与错

How do you deal with it?The key ______ the problem is to meet the demand ______ by him.A. to solving; made              B. to solve; made答案是 A，我知道 key 之后可以用介词，如 the key to the back door（后门钥匙）。但是如果 key 后面用...

问题 go back to do还是go back to doing

老师,你好! 我想问一下 go back to可以加 do 还是doing?

问题 what to do和what to be done正误判断和区别

请问老师:I can't decide what to do.I can't decide what to be done.是否都正确，含义有何区别？谢谢。

问题 There be句型加to do/to be done/done的区别

There be sth to doThere be sth to be doneThere be sth done请问这三个句子有什么区别？

问题 there / to there(介词to的省略与保留问题)

How far is it from our city there?这句是不是这样翻译：我们的城市离那儿有多远？这里由于 there 是地点副词就在 there 前省略了介词 to，是这样吗？

问题 It's a great honour to be invited to...结构分析

It's a great honour to be invited to Mary's birthday party.结构分析尽量详细一点。

问题 claim to do sth和claim to have done sth的区别

claim to do sth和claim to have done sth的区别是什么呢？

问题 句式分析（A is to B what C is to D）

The slave is to the master what the body is to the mind.这是什么句型？what从句是什么从句？

问题 如何判断to do 的宾语

请问老师，我主要想搞清，to design 还是 to design on ？下面两句哪个对？1.What body shape is underwear based to design on?2.What body shape is underwear based to design ?因为我记得 有 what to do 这种用法。 do的宾语就是what，但在这，我不知道应该是...

问题 分析:London is the best place to be...(to be是不是多余的)

London is the best place to be if you like going to the theatre.请问句子中的 to be 是不是多余的?

问题 in answer to是否等于to answer (可相互替换)

问题 如何理解could never...too...句式

One could never pay too high a price for any sensation.这句话应该不是这个意思吧：人不可能为任何感觉付太高的代价。应该是：人为任何感觉付很高的代价都不为过。这样一句话同时用never和too的句子表达肯定的句子的这种用法在英语语...

问题 有关and that的用法(用于句首引导从句)

And that she did not forget her mother and always kept her home in England open for her，if Hester should ever want it.翻译：她一直惦记着母亲，如果赫斯特乐意的话，珍珠在英格兰的家永远准备迎接她的母亲。请问 And 后面的 that 在这里是什么用法，也...

问题 非限定动词作定语时一定要紧跟在被修饰词后面吗

Grenada has a mix of options for waterfall hikes that could fall into three categories.上句中的that could fall into可以变成falling into修饰吗，例句中使用定语从句是因为中间有隔开吗？谢谢老师的回答。

问题 practice是"医务活动"还是"工作地点"

For years, I have worked as a therapist with hundreds of couples who have been shattered by infidelity. And my conversations about affairs have not been confined within the cloistered walls of my therapy practice; they’ve happened on airplanes, at dinner parties, at conferences, at the nail salon,...