Experience tell us that individuals and private corporations tend to act in their own short-term economic and political interest,最后一个词interest,在这句话里应该是利益的意思吧，怎么不加s，当利益讲不是可数吗？难不成是兴趣的意思，我觉得不太合理啊
麻烦曹老师讲解一下:The boy wanted to ride his bicycle in the street, but his mother told him _____．A. not to B. not to do C. not do it D. do not to为什么选项 B 不能选呢？
...decided to take a
shortcut. Little did 16-year-old Herbert know this would make a big difference
in her life. While
Herbert was walking fast to try to get to school on time, an elderly gentleman
stopped her, and asked Herbert to tie his shoelaces for him. At first she was a
bit hesitant but then she...
...语序，不能用疑问句语序。例如：
“I think you owe me some money.” “How
come? ”“你好像欠我钱。”“怎么会呢？”（摘自《牛津高阶英汉双解词典》第9版p.409）
If she spent five years in Paris , how
come her French is so bad? 既然她在巴黎待了...
...有句点。It sounds more polite to say, "Peter, could you please tell me your e-mail address?" than "Peter, tell me your e-mail address." For example, we might first say to a stranger, "Excuse me, I wonder if you can help me" or "I'm sorry to trouble you, but ..." before asking for help.刘...
They moved in with a local family,
the Harrisons, and, like them, had little privacy, rare baths, and a blanket of
snow on their quilt when they woke up in the morning. Some mornings, Rosamond
and Dorothy would arrive at the schoolhouse to find the children weeping from
the cold. In spring, the snow...
The main reason for my choice is that being brought up in a culture emphasizing collectivism, I tend to sacrifice my own interest for the group benefit. 请帮我分析句子结构， being brought up 是作什么成分呢？
1.Each girl has her own book.
2.There were six silver coins in each of the stockings.
3.Every boy has to finish the work before 5 o’clock.
请问，例句中each,each of ,every都是 每一个 的意思，它们有什么区别呢，是否可以互换着来用？