...oung, just 27, and black, like four in every five
homicide victims in the city. Like nine in ten murders in Chicago, his life was
taken by a gun—bullets pierced his arm, chest and leg. He had a lengthy
criminal record, beginning a decade ago when he was arrested while still a
minor for shooting at...
It seems to me that it would be wrong to ban testing on animals for vital medical research until equally effective alternatives have been developed.问题1:为何这里用it would be，可以直接用 it is吗？如果可以的话，区别在什么地方呢？问题2:为何这里使用have been done...
...词典：（01）They’ve gone
away for a few days. （02）May I borrow
it for a day or two? （03）They arrived
for a month.. （04）One afternoon,
I grew bored and actually fell asleep for a few minutes. （05）It’s
incredible. I only left my car for a moment. 上述例句中，短暂动词...
Dataabout the moon’s composition, such as how much ice and other treasures it contains, could help China decide whether its plans for a future lunar base are practical.such as后面跟的是什么从句？such as+从句这一整个部分在句子中是什么成分？是插入语吗？
...t
as she would do to her own child.是否正确？(参考韦氏例句：Do
it as I do.)3. 网上搜到的例句：Just
as what you said, you were so disappoint at my family background when you came
to see. 能否证明原句的正确性？
Granted, it's difficult to single out a person out for their fashion choices, when they are wearing a uniform, as male politicians essentially do. 此处的as是什么意思，做什么作用？要怎么分析？十分感谢！
According to Cisco, a maker of networking gear, video accounted for 70% of global internet traffic in 2015, a share it thinks will increase to 82% by 2020.请教一下这个句子的结构和句法成分?并列句还是定语从句或同位语？各部分充当什么成分？
...，time capsule 的解释是：time capsule a container which is filled with objects
considered to be typical of the present period in history and then buried, so
that it can be dug up and studied in a future period 时代文物秘藏器（装入具有时代特征的物件后埋入地下，以供...
...al newspaper—printing presses, delivery trucks—isn’t just expensive; it’s excessive at a time when online-only competitors don’t have the same set of financial constraints.
老师好。我有个关于it 在固定搭配中做形式宾语的问题。 make clear
that... make it clear that... take for granted that... take it for granted that
... 从我搜到的例句中看，前两组不加it ，后面也可以有that从句，或者单词，或词组（这应该是所谓...