...' means that he went to that place,but now is back.
但是为什么'Joe and Lisa are on holiday in Japan.They've been to Japan once before.'可以说成'This is the second time they've been to Janpan.'
她们还在日本，还没回来不是吗？为什么用been to?
...nd $30 million for Prince William，$7 million for
duchess of Cambridge， And $25 million for Prince Harry。中文解释：据估计年轻一代皇室成员的财富估计为威廉王子3,000万美元，剑桥公爵夫人为700万美元，哈里王子是2,500万美元。我想问问题是：estima...
...mments are legal, how personal information is protected from infringement, and how to defend against online fraud, bears not only on the security of the online world, but also on the security of every online individual.请问：句中的 bears 为什么要加s？
...：As soon as he opens the gate from the outside, he comes into the garden and waits until the gate shuts.这句说中，从句用的一般现在时，而主句并没有用一般将来时，是为什么呢？难道说 as soon as 引导的从句用一般现在时也并非一定是表示将来吗？...
...meddle in the US election, vowing retaliation for the moves and defending himself against criticism his administration acted too slowly.主要问题是：as behind Moscow's 这里 behind后面是不是应该加一个of，不然怎么都感觉不通顺啊。或者as behind是否有...
..."continually repenting the rashness"which had led him to make it,and dreaded the thought of marrying her as "an Irishman does the halter."问题：an Irishman does the halter.是什么意思？有什么典故吗？为什么爱尔兰人会非常害怕缰绳呢？
...比如：Encouraged by this success, Rutherford and his colleagues looked for other targets for their marksmanship. 我的疑惑是，encourage这个动作发生在look 的前面，是先被鼓舞，然后才寻找东西啊...
老师们好！我看到这样一个句子：Tom,normally a timid boy,jumped into the
river and saved the drowning girl. (https://www.cpsenglish.com/question/47623)
我认为这里的 normally a timid boy 应该改为 a normally timid boy ，对吗？
...hop, office, or public building opens or is opened, its doors are unlocked and the public can go in.（2）When a public building, factory, or company opens or when someone opens it, it starts operating for the first time.这两个词条都说明既可以用主动式，也可以用被动式，那么...
...eal with
her. [妈的！我不能与她打交道。]女生可能说：Wow! You look terrific! [哇！你的样子太酷了！]感叹词通常指ha、aha、oh之类用于记录声音的拟音词，它也可以包括像boy、come、man之类从实词借用过来的词，例如：Boy！This soup is goo...
...p;degree, importance, etc. between one thing and another or between the parts of a whole in size, degree, importance, etc.修饰correct relationship ，被between one thing and ano...
... 等）：For the Japanese festival Obon, people should go to clean graves and light incense in memory of their ancestors. 在日本盂兰盆节，人们要扫墓、烧香，以缅怀祖先。另外对于句中的 should 也不是很理解，为什么不用 would 呢？谢谢老师帮忙解答！句...
...th certain unalienable rights, that they are among these are life, liberty and the pursuit of happiness．请问老师，独立宣言中的第3个that引导同位语从句还是定语从句？我觉得是that是rights的定语从句，您怎么看？谢谢。
麻烦曹老师，首先:He will put off the picnic until May 1st, when he will be free. He will put off the picnic until May 1st, on which he will be free.He will put off the picnic until May 1st,and on it he will be free.