...ad happed.2.It was a long time before he found what had happened.3. It had been a long time before he found what had happened.4. After a long time, then he found what had happened. 请教专家老师们，以上翻译是否正确？尤其是第3和4句，was 和had been 是否正确，为什么...
But natural, holistic products are fully in vogue, and the Internet has created a way for non-experts to become as—or more—informed as their general practitioner when it comes to obscure treatment methods. 这里to become as—or more—informed as their general practitioner作什么成分怎...
...improve the program since 9:00. A. has told
B. is telling C.
hasbeen telling D. will have told 提供答案为C，但是在没有上下语境的情况下，A也是可以的，所以该题不算严谨。我期盼更多其他专家老师对此的详细评析。
...;为什么不能用C呢？因为书中另一课有明确指出After having been instrued to drive out of town.等于After I had been instrued to drive out of town. 同理，When having killed 应该也等于When he had killed不是吗？ 不选B是因为不能体现动作发生的先后...
...r Carol Dweck, PhD, calls them “the overpraised
generation. ”Dweck hasbeen studying how people deal
with failure for 40 years. Her research has led her to find out two clearly
different mind-sets that have a great effect on how we react to it. Here’s how
they work:A fixed mind-set is grounded...
...a group is no organism physically added to its constituent individuals; it has no brain or stomach of its own; it must think or feel with the brains or nerves of its members. 但是，群体除了是由单个的人组成外，并不是真正具有生理作用的有机体，它没有自己的大脑...
...e protected here. Two
years ago, it was reported that an Asian student had been deported for killing
wild ducks.新西兰气候温和，冬天不太冷，夏天又不太热。由于是岛国，新西兰全年湿润。有时，一片云彩一片雨。因此，若是外出，最好带上雨伞。新...
...g speedboat, the waves, once generated, are on their own , and their speed has nothing to do with that of the stick. 我们老师说 主语：their speed 谓语：had nothing to do 宾语：that of the stick 可我觉得是 主语：their speed 谓语：has 宾语：nothing宾补：to do 方式...
...的时刻。请问老师，以上句子until后面是否省略了“it hasbeen”?完整句子应该是 Commentators called the attack a second Pearl Harbor, until now it hasbeen our most tragic hour.如果是省略了，为什么可以这样省略？补充：until 省略的常见类型按英...
My salary has never been as good as it might have been in the private
sector, but you accept that when you work for a public service.请教曹老师：might如果放在句首，与原句有什么区别？
...句子，有问题吗？Ever since he found out that he has cancer, he’s been living a day-to-day (= without planning for the future) existence. 自发现自己得了癌症后，他就过一天算一天了。我的疑问是：为什么过去时后的宾语从句用了一般现在时呢？这不符...
... her performance.”Mr Titterton is chairman of the Omega Ensemble but
hasbeen the group’s official page turner for the past four years. His job is to
sit beside the pianist and turn the pages of the score so the musician doesn’t
have to break the flow of sound by doing it themselves. He said h...