No doubt 的在下面句子的用法，谢谢！This highly polite style is no doubt something that young women have been expected to "grow into"-atter all, it is a sign not simply of femininity, but of maturity and refine-ment, and its use could be taken to indicate a change in the nature...
在一本书上看到这样一句被动语态：A good time was had by all the students who took part in it. 参加这项活动的学生都玩得很高兴。觉得这里的have a good time 用于被动语态有点别扭，请问have a good time可以像这样用于被动语态吗？
...pera, China’s “national essence”, has been 200 years old, enjoying ahigh reputation both at home and abroad.请问句子中的 has been 200 years old 用得对吗？我是说这里的现在完成时用得对吗？有人说要改成 has a long history of 200 years，有这个必要吗？谢谢...
Even if you turn away from their ads,chances are they will figure in any of your travel plans.即使你拒绝了他们的广告，但是一有机会他们就会进入你的旅行计划。老师，主句里面的结构有些奇怪，为什么会有两个动词，are 和 will figure呢？谢谢老师...
... cracking down on the practice known as daigou, when chinese travelers buy high end merchandise on trips abroad and sell the items at a profit .这里面的两个时间状从，第二个时间状从（？）他修饰哪个谓语呢？
Spooked that the appetite for luxury goods could tip into a rapi...
Do you know____?A. how many population there are in the worldB. how much population there is in the worldC. how many the population of the world isD. what the population of the world is答案是 D。我选的是 B。老师，请教为何D正确呀？谢谢。
...ppiness happens while you _____ it.A climb B are climbing选择B进行体是正确的，甚至更佳，更能突出climb的延续性。但是A答案climb 的一般体也应该正确，如：I went swimming while the others played tennis.同于I went swimming while the o...