What's the difference between "have been done " and "have done"?The difference is whether active / passive.======== ========Let's first see the uses of “been” in English and then we can easily understand the difference here:Been is a Perf...
... by definition impossible, as long as these
distinctions between ourselves and the primitive, ourselves and the barbarian,
ourselves and the pagan, held sway over people's minds. It was necessary first
to arrive at that degree of sophistication where we no longer set our own
belief against our neigh...
The next moment soldiers came running through the wood, at first in twos and threes, then ten or twenty together, and at last in great crowds that seemed to fill the forest.最后一个 and 后面是否省略(soldiers came running through the wood)?that 引导定语从句？ 谢谢老师的解答！
... culture: passion for first-class performance, working together as a team, and equal opportunities and diversity. The surface culture is passion for first-class performance. Employees should have team spirit and independent initiative, as well as the unconditional desire to constantly learn mo...
...fe on another planet using earth-based telescopes.
Our own warm atmosphere and the heat generated by the telescope would make it impossible to detect objects as small as planets. Even a telescope in orbit
round the earth, like the very successful Hubble telescope, would not be
suitable because of th...
For one thing, other people come to it cold, whereas I've been doing my
homework on it for the last two years. I've got used to the idea and have come to the point of acceptance
gradually. 句中come to the point of acceptance, 如何理解come to 的意思？
...o-riches story: a story where a very poor person works very hard and, as a result, becomes very rich and successful.我不太明白此处为什么会用where, 我的理解是应该用that或者which。不知道涉及了什么语法内容。先谢谢了。
...ist three kinds of risks that could slow it down: regulatory, competitive and those that are intrinsic to its own model.老师这里的三个并列regulatory, competitive and those that are intrinsic to its own model.为什么前面两个要用形容词，是省略了risks吗？如果是，为什...
...ion, we’re
all positioned to see flashes of genius wherever they appear. And the more we
look, the more we will see that social factors (因素) like gender, race, and
class do not determine the appearance of genius. As a writer says, future
geniuses come from those with “intelligence, creativit...
...ng plastic straws (吸管).
I found the contact information of the company and emailed its president. I
told him how harmful plastic could be to the environment and asked him to consider
using more eco-friendly options. I was so excited when he wrote back to me. He
said he would make sure that the c...