问题 whenever可以和when一样后面跟分词吗

Whenever chatting with my friends, i often degress to our memory in childhood.不同的地方是一个是时间状语，一个是让步状语，这样对吗？

问题 为什么用to this day而不用today

His popularity continues to this day.句子中为什么用 to this day 而不用 today? 

问题 lead to用cause还是bring来解释

Sunlight leads to freckles or other skin changes.请问这句里leads to可以替换为：A. causes B. brings   该选A还是B呢？谢谢解答！

问题 payment和expense区别

School fees, illness, house repairs and other_____ reduced his bank balance to almost nothing.A.payment   B.amount   C.figures  D.expenses曹老师您好，我想请教一下，这里正确答案是D选项，我查字典时，看到“payment”有可数和不可数，不可数是强调支付...

问题 一般现在时的真正含义

After the arrests governor Whitmer called out president Donald Trump for stoking distrust and fomenting anger.Trump responded by tweeting he does not tolerate extreme violence, and that governor Whitmer has done a terrible job.特朗普总统在推特上使用了does not, 一般现在时，是否表...

问题 it takes sb some time to do sth的疑问

I'm so sorry it's taken me so long to get this to you.为什么有 taken？不是 it takes sb some time to do sth 吗？

问题 to be doing和at all在的含义

You need to be doing self-checks. .Look for bruises,discolorations.Anything at all that changes could be dangerous-life threatening.1)为什么要用need to be doing，为什么不直接用need to do，仅仅是为了表示进行含义吗？2)无法理解at all的含义和它修饰谁，辛苦老师...

问题 nob at/to sb区别

请问sb nob at/to sb的区别是什么？

问题 otherwise的位置以及前后标点符号

All the photographs in this book,unless stated otherwise,date from the 1950s.这句话怎么理解？otherwise 的前面是不是应该有个逗号？怎么理解这个otherwise？谢谢！！

问题 不及物despair可以引用一句话吗

The eu has been “irrelevant” in the Syrian conflict, despairs one European diplomat.老师好，这个不及物动词despair在这里是怎么用的？

问题 at all的用法

The miracle is that what he did in the little space of seventy years could have been done at all, even by a great genius. 请问句中at all不是只能出现在否定句和疑问句中吗？在以上陈述句中怎么理解？

问题 从句引导词在从句中的成分

【Acts1:11】“Men of Galilee,” they said, “why do you stand here looking into the sky? This same Jesus, who has been taken from you into heaven, will come back in the same way you have seen him go into heaven.” 在最后一个逗号后面的部分中，the same way 后面是不是一个省...

问题 have to

问题 as adj as doing和as adj as to do

Money isn't as valuable as knowing who to trust.Money isn't as valuable as to know who to trust.都可以吗?

问题 没有主语的情况下,be invited to.. 的不定式还是主补吗 ?

I think it a great honor to be invited to visit your country. 没有主语的情况下,be invited to.. 的不定式还是主补吗 ?