Cancer can be cured if discovered in time.在这个if句子中，discovered究竟是过去时态，还是被动省略了？ 也就是这个句子补全应该是，if ancer was discovered in time 还是 if we discovered cancer in time ??
Fighting was his element. And he fought with a passion, a tenacity and a success such as few could rival.斗争是他的生命要素。很少有人像他那样满腔热情、坚韧不拔和卓有成效地进行斗争。句末的rival是不及物动词吗？牛津，柯林斯，朗文等词典给出...
..., responsibility for the resolution and communication of meaning
in a text was seen by some to shift
from author to reader. 在20世纪60年代和70年代的文学批评中，一些人认为解决和传播文本意义的责任从作者身上转移到了读者身上。请教老师，to在本句中的...
The figure for boys being hurt by teasing was 27percent.请问各位老师，此句中being hurt可否用hurt来替换？这里应该是现在分词做boys的定语。根据实际情况，数据调查已经完成学生们被伤害应该也是过去的事情那么用过去分词不是很合适吗?这...
Several weeks had gone by _____ I realized the painting was missing.A. as B. before C. since D. when这道题为什么选B不选D呢？当我意识到的时候，已经过了好几个礼拜了。但是答案是B before。before我也可以理解，但是我觉得D也是对的。
...ction politician who's made no secret of the fact she believes the country
has to change from top to bottom, going to the palace, presumably to tell her
queen exactly that.以上是来自新闻广播的一个解说，关于这句话我的问题有点多，希望老师能详细的帮我解答下，...
...tion think it is.For
one thing, other people come to it
cold, whereas I've been doing my homework on it for the last two years. I've
got used to the idea and have come to the point of acceptance gradually. The
other thing is that they're feeling well and vigorous, with lots of things
they're in the ...
...句，似乎发现了一些规律；举几个典型例子说明：（1）I was thinking about all sorts of mechanical ways of how we can live more in tune with the environment rather than to exploit it（2）She'll know better than to trust them again.规律一：（1）句和（2）句rather than...
语法书上有这样一组同义句：As a student he had known great poverty. =When he was a student he had known great poverty.
他当学生时，经历过很贫困的生活。我的问题是，为什么等号后面的从句不用as来引导呢？可以用as来引导吗？
老师说下面的句子有错：There was one interesting thing happened in her first class.错就错在句中将过去分词 happened 用作了后置定语。因为过去分词作后置定语表示被动，而这里的 happen 是个不及物动词，不可以表示被动，所以错了。但我想...