Families have also experienced changes these years. More families consist of one parent households or two working parents.句中，household为什么要使用复数households？可否使用单数household? 又如，老师对学生们说，把书翻到第十页，应该说Open your books at page...
...rance expelled three high-ranking Cuban diplomats today in connection with the worldwide search for a man called Carlos.in connection with 前面有 France 和 Cuban diplomats，谁和后面的在全世界寻找 Carlos 这件事有关？也就是说（这时的 search 是名词...
She can’t have slept through all that noise.My brother met her at the Grand Theater yesterday
afternoon, so she couldn’t have attended your lecture.老师，上面两个句子，can’t have done 和
couldn’t have done 是不是都是对过去的事情的不可能的推测，和can’t 和
cou...
...：Scientists disproved that assumption in a series of
1990s studies where they gave hundreds of common-cold patients either cow's
milk or soy milk, and found no difference in mucus production between the two
groups请教问题：scientists disproved that，后面是宾语从句。这个宾语从句...
The kidnappers demanded a ransom of £50 000 from his family.绑架者向他的家人索要赎金5万英镑。这个句子中的of £50 000后置定语可以看做是同位关系那么以下这个句子Her kidnapper successfully extorted a £75,000 ransom for her release.绑匪成功地勒索了7.5...
...句子结构在句子中充当什么成分。1You had better not tell him the thing.2You had better not be late tomorrow.3 You had better be Smart.had better在句子中是联合做成分还是分开呢？充当的是什么成分？谓语动词是哪个整个句子？是什么结构？
As these universities are private, they are relatively expensive. Offsetting the extremely high tuition are many opportunities for scholarships.（学生在理解和翻译第二个句子这，反复看了给出的译文也总是感觉莫名的脑胀，不看译文我根本就不知道这句话是什...
In most people the first signs show up in their 50s or early 60s.（大多数人在50多岁或60岁出头时会出现症状）——高考真题for most people才表示“对大多数人”吧？为什么这里用意思不太合适的 in？替换为 for 后有没有语法错误？
An Internet search(主) led（谓） her（宾） to Xinchejian（宾补）, China's first formal"hackerspace"（同位语）, a community-run workshop （非限制性定语从句）where ordinary people tinker with everything from art projects to robots（后置定语）.(定语从句)
老师，...
...的从属连词1. ____ everthing has been settled，I have nothing further to say.A. As B.Because C.Since D.For2.Jack was worried____he hadn’ t had any letter from his mother for long.3.We can’t go to see him today____we are going away very soon.4.He didn’t agree to join them,____he didn...