The amount of resources
available in an area determine how many organisms can live there.请问老师：上面这个句子正确吗？amount of后面一般是不可数名词，不过有时候也有用可数名词复数，但是动词不是应该根据amount决定的吗？怎么这里使用了复数...
...目：
Her birthday was a week ago, so it _______ (can't / be ) on the 25th.
A. can't be B. can't have been
我不太明白25日是说话之后的日子，还是之前，所以不知道应该用对过去的推测，还是对现在的推测。请专家指教，谢...
He had been in enough briefings over the years. 这种简要介绍他听过多年啦。Have you ordered in enough envelopes this month? 这月你订足信封了吗 ?怎么感觉 in enough sth 像个词组似的，但是查不到？
... time-starved, but we have to remember that it only applies to , say, half the population.”当然，并非人人感到时间过度紧迫。“说我们都缺少时间只是随意讲讲，我们应该记住，这种说法大约只适用于一半人。”老师，请问此句中第二个say起何作...
We are fortunate that it is , because building new educational systems there and putting enough people through them to improve economic performance would require two or three generations请问老师为什么这里的 it is 没表语？省略了吗？和下句一个道理吗？did后面省略了?&nbs...
... South Koreans do not eat dogs, but far fewer—about 40 percent—believe the practice should be banned. It also found 65 percent support raising and slaughtering dogs in more humane conditions. 第一，far fewer这里far是副词修饰fewer后面省略了South Koreans？ 第二，后面...
MALE STUDENT: No wonder featherwork was a symbol of high status in ancient Peruvian societies.FEMALE PROFESSOR: Well, that's definitely a long, dangerous trip to make on foot.I do research down in Peru and I've made that trip, but the easy way-I've flown and driven.MALE STUDENT...
He theorizes that it is the emotional component of these intangible prizes that make them effective. In fact, vaguely-stated possibilities of winning a prize were more effective than options with hard odds included.hard odds included翻译为 包括了更难的赔率 吗？不是很能理解这部...
...比如下面这句话：Each misfortune you come across will carry with it the seed of tomorrow's good luck.按我的理解我就觉得这里的it可以换成one，one不也可以代指上文的事物，each misfortune也是泛指，想请教老师我的理解是不是不够准确？
They found to their surprise that the goddness turned out to be a very modern-looking woman.这句子中found to their surprise 结构是什么意思? to their surprise成了found的宾语吗? 这样的话,that从句起什么作用，去修饰surprise??