...s .Velzquez's work from that time forward was confned largely to portraits of the royal family .请问这个from…forward表示从…之后，和直接用from…有什么区别？因为from本身就有从…之后的意思，所以不太明白为什么这个后面要加个forward,起强调作用吗...
Many of the animals were in prime condition and had more body fat than is customary for animals arriving from the wild.请问is customary for在此处是什么用法？感觉可以直接去掉？
The U.S. doesn't
even rank in the top 40. But is also was included "because we live
here" and because of past, bold estimates that life expectancy in the U.S.
might surge dramatically in this century, Olshansky said.这句话的but is also有省略吗？感觉很怪，补全是怎么样的？
Classical music is played with traditional European instruments, often in large orchestras. 来源：北师大高中英语教材的模块二（Unit 5）的Styles of Music。问题：英语可以说 play music 吗？若不可以，那为什么可以用 music is played 呢？谢谢！
When he came staggering out of the garden, blood was running from his nose and mouth. What had been the finest house in the neighborhood came crashing down. 这两个come doing是不是都是来进行某事的意思？该怎么翻译呢？
While low-cost 3-D printing by consumers and small businesses looks like a market now ready for takeoff, large businesses have already embraced advanced versions of the technology.请问这里的 by consumers and small businesses looks like a market now ready for takeoff 是什么句式？
Before the reform and opening-up policy, Shenzhen was nothing but a small fishing village which has a population of over 30 thousand people.这里为什么用 which? 可以用 where 吗？
What a good listener is able to do is to process what he hears on the basis of the context _________. A.it occurring in B.occurring in it C.it occurs in 为什么答案是C？ A 和B 为什么不行？