what matter for most scientist is money and facilities。请问 主语从句 what matter for most scientist 是不是省略了谓语 原句是不是应该是类似这样：what matter is important for most scientist is money and facilities。
It’s necessary for us to stay at home. =For us to stay at home is necessary. = To stay at home is necessary for us. =It’s necessary that we (should) stay at home.我的改写都正确吗？
...师，今天在书上看到这句话:Finishing the work in an hour is easy for us to do. 但感觉有点怪怪的，后面的to do和前面的finishing好像构不成动宾结构，所以这句话是不是错了呢？ 还有如果我改成Finishing the work in an hour is easy for us. 是不是可以...
For males under forty，ten seconds is the typical reaction time；young men can demonstrate full erection in from 3 to 5 seconds of sexual stimulation.The reaction time is doubled or tripled for men in their fifties and above.刘老师，这里的 in from 如何去理解 in 这个词？
出自于某年高考阅读地方卷的句子，试卷经改编后afford这个词还是保留了下来。原文出自于How the elevator
transformed America - The Boston GlobeFor most city people, the elevator is an unremarkable machine that
inspires none of the enthusiasm or interest that Americans...
First, we get a strong sense impression as we read him along forthere is musicality in almost every line of his prose.请问：句中的 read him along forthere 是什么意思？
You
can use a computer for sending and receiving e-mails.这是书上的句子。如果改成不定式You can
use a computer to send and receive e-mails.
- 这是表示目的。请教老师: 书上的句子for
sending...是表示目的还是用途？我认为不是表目的，而是表用途。