请看下面一题：
We didn’t go swimming for the simple reason ________ the water was too cold.
A. that B. why C. when D. where
请问答案是A还是B（when和where很容易排除）。for the simple reason that 与 for the simple reason why 有何区别？
The output of the paper mill is now three times as high as it was in 1966.很显然，three times 是“三倍”的意思。但我的语法书上的中文翻译是：这家纸厂的生产比1966年增加两倍。“两倍”？老师，这里是书上印错了？还是的确是翻译两倍啊？？...
...6）The film
brought the hours back to me when I was taken good care of in that faraway
village.上述句子先行词分别是a time, the day, the date, the days, a day, the hours, 定语从句使用关系副词when,但是书上，不能使用that, 对此，我感到很疑惑。表示时间的先行...
Nowthe researchers are exploring methods to protect Hongyacha in its natural habitat while further studies are carried out.这里填have been exploring 是不是更好呢，强调持续在探索？求老师指点。
These little pigs now have a caring tiger mommy to look after them, and the mother tiger has a way to share her love.这里的look after 的after应该是介词吗，如果是副词them就会放中央了，可是字典上look afer的搭配中look是及物动词，有点疑惑!
1.
This company has now introduced a policy ______ pay rises are related to
performance at work.A.
which B. where C. whether D. what答案是B. 如果不给选项，这题可以看成是同位语从句吗？谢谢。2.
Have you ever been in a situation where you knowthe othe...
the next time, the next time that, the next time when 都可以用作连词引导时间状语从句吧？但 the next time 的例句是可以查到很多的，the next time that 的例句偶尔也可查到，怎么没有查到 the next time when 的例句呢？Next time you’re here let’s ha...
在It was arranged that…句式中，其中的 that 从句要用虚拟语气吗？比如：(1) It was arranged that you _______(meet) him at the station.(2) It was arranged that I ________(go) there with the boss.(3) It was arranged thatthe girls ________(stay) in the hotels by the sea.