老师好。我想到个问题，在定语从句中，能否出现关系代词不一致的现象呢？
比如，there is a house which is luxury ，whose owner is a boss.
the girl that wore a black dress，behind whom whose mother stood .
She was rather tall, and her gray dress, simple and quite well-cut, did
not hide the fact that her figure was beautiful. It was a figure that might
have appealed more to the sculptor than to the costumier. Her hair, brown and
abundant, was plainly done, her face was very pale, and her features were ...
There must be few questions on which responsible
opinion is so utterly divided a s on that of how much sleep we ought to have. 老师，请帮我分析一下语法结构，后面那个定语从句没看明白，as是干嘛用的，that指的是什么。帮我划分详细一点，谢谢
...：across 有 on 的意思，through 有 in 的意思。但在 swim across the river 中，为什么不用 through 呢？这应该是在水里游啊！Their eyes met _______ a crowded room.A. across B. over C. along &...
...状语吗？using its fangs / using spurs on its anklesTo give examples, theauthor describes how a rattlesnake injects its toxin using its fangs, and a male platypus delivers its toxin using spurs on its ankles.
...以单独作主语吗？下面两句话中，复合形容词分别由a和the修饰，两句话都正确吗？A 15-year-old sometimes forgets things, but that doesn’t mean his
or her memory is getting worse.The 10-year-old gets up half an hour earlier on school days to play
computer games.
朗文英语词典上面说：不要说 theidea to do something，而要说 theideaof doing something。但在实际应用中，经常看到有人用 theidea to do sth。我查了一下，英语答疑网上也曾讨论过此问题，但我还是不明确。我觉得是不是theidea to do sth是...
They know they are contributing very little of real value and all the time they live in fear of being exposed as cheats. being也有加形容词，也有加过去分词，这里的exposed都有形容词和过去分词意思，该怎么区分？
...rvice recovery creates more loyalty than, um, if things went smoothly from the get-go, why don't compannies like make mistakes on purpose so?Professor: So you could implement a recovery plan that leave your customers delighted as opposed to merely satisfied? 老师您好，请问，如果...
That is theissue being tackled in an official review of postgraduate education currently being undertaken by the Department for Business, Innovation and Skills.请问老师，being undertaken 是修饰education的吗？如何理解本句？