I was going to visit my friend in Tianjin, but I ________ TO GO ABROAD FOR OUR SUMMER HOLIDAY WITH MY PARENTS NOW.A. have decided B. had decided C. would decide D. decided 答案为A，为什么用完成时，不用D 呢？谢谢!!
On the last day，we climbed to the top of a nearby mountain to have a good view of the whole city。last前为什么on不省略？《牛津英语指南》中P432中“以next ，last ，this，that，one，every，each，some，any，all等词开头的一些表示时间的词常用表达方式前...
下面这句话：
This would be especially unfortunate for our children for they become so addicted to the Internet that they might never be exposed to social interaction.
此句是虚拟语气，句中的become为何用动词原型，是become前省略了一个would吗？求解，谢谢～
The beacon data lives on the person's phone,making it less of a target to hackers than if government health authorities stored the data.信标数据就在人的手机上，与政府卫生当局存储这些数据相比，这并不是黑客的攻击目标。上面，出现了less of a target...tha...
The stage space, a simple room, became the site of an irresolvable attempt to reconcile the here and now with the past and to investigate the illusion of the self through representations of images of the other.舞台空间，一个简单的房间，成了不能解决的意图的场所，用以调和...
各位老师好，有几个问题请教。From the beginning of a play, to the end of a play, play, who are not the leading role, who are the leading role. 1、From the beginning of a play, to the end of a play请问这句话中间用逗号，是什么用法？2、who are not the leading role, ...
...e has parked a car outside his gate.
Because of this, he has not been able to get his own car into his garage even
once. Jasper has put up 'No Parking' signs outside his gate, but these have not
had any effect. Now he has put an ugly stone head over the gate. It is one of
the ugliest faces I have ev...
1.Our monitor is the fist to arrive.第一个问题：书上说被修饰名词是不定式的逻辑主语，请问什么是逻辑主语，这里为什么会出现逻辑主语？2.We can't go.To begin with, it's too cold.第二个问题：书上说是动词不定式作独立成分，请问什...
Our ancestors looked kind of like monkeys.1. 老师，kind在句中是名词吗，of like monkeys 是kind的后置定语吗？2. be+形容词+介词(be afraid of, be ashamed of)与动词+名词+介词(get rid of, make fun of, pay attention to..)的区别？前者在句子中的成分知道，但后...
As water is to fish, so is air / air is to man.Just as we sweep our rooms, so should we / we should sweep backward ideas from our minds.上面两句“/”前后哪一个是正确的？为什么？
韦氏高阶》(p1294)中may 表可能，有如下例子： — used to indicate that something is possible or probable It may possibly be true, mightn't it? [=(less formally) it could possibly be true, couldn't it?] May it not [=mightn't it, (less formally) couldn't it] afte...
On Saturday afternoon the phone rang. I was still in bed , and had to force myself to roll over, pick it up and mutter hello. 这个句子为什么and前面加了逗号，并且pick和mutter用的是原型，请问这是什么用法？