... the last bus hadn’t come yet. We had to walk home. 两个过去完成时可以在同一个句子中使用吗? 请问老师，以下几个句子语法成立吗？（主要是时态问题）1）Half an hour has gone by, but the last bus hasn’t come yet. We have to walk home. 2）Half an hour...
The Underground Railroad, an inventive and searing take on slavery in 1850s Georgia, won the Pulitzer Prize for fiction Monday.这句话中的an inventive and searing take on slavery in 1850s Georgia是一个完整的句子做前面名词的同位语吗？
The longer an advertisement
stays on a user's screen, the greater the possibility of him or her tapping on
it and the manufacturer making money. 这句话前面半句有“the+比较级+名词+动词stays”，后半句只有“the+比较级+名词”，请问这种用法对吗？
Last, good performance is not defined by employees’ locations at specific times of the day but by what they achieve—what Mr Bloom calls “managing outputs, not inputs”.破折号后是对前面的补充说明，那么能不能说what引导的是同位语从句？谢谢各位老师。
See for yourself with a scroll though our latest Cruise Ship Tour, in the carousel above, which offers a deck-by-deck look at the line's 1,250-passenger Marina.上文中的 line's 是什么意思，是所有格形式吗，无生命的 line 为什么不用 of? 谢谢回答。
比如例句：To realize how great was the dramatic activity, we must remember further that hosts of plays have been lost.
这里为什么不是how great the dramatic activity was，而是how形容词+谓语+主语？
我看一段讲述美国感恩节的历史文章有一段话：But by the time they arrived
in the new world, they must have been very glad for the voyage to end.这句话最后to end前面是介词for，我记得语法书上说不定式一般不做介词的宾语，所以我想这里应该使用...
They are an odd couple .She is as tall _____he is short, and he is as
fat _____she is thin. But they are both ______happy as they are old.
A. as, as, so
B. while, while, as
C. and, and, as
D. as, as, as
老师说下面句子中的 when they can dress up and go to their neighbours’ homes to ask for sweets 是 when 引导的定语从句，修饰 festival。我不太明白，请专家帮我进一步分析一下，谢谢！It is now a children’s festival, when they can dress up and go to their neig...