问题13：我的老师常常让我们背课文，这么做对我们的英语有帮助吗？ (来源：www.EnglishCN.com)

回答：背课文看起来的确很枯燥，但是对英语学习很有帮助，尤其是初学者。大量地背一些文章，可以帮助记忆词的用法、不同的句型。久而久之，你就会有了所谓的“语感”，这为以后的外语学习做了很好的准备。

Question 14: Now there are British English and American English.    Which one is better for me to learn?

Answer:    It all depends.    British English is more traditional.     If you choose it, you can learn "NCE", " Oxford English", "Cambridge English", etc.     While American English is more fashionable.     If you decide to learn it, there are also many courses for you to choose, e.g. "Modern American English", "Family Album, USA", etc.    There    is no comparison between the two.     You can choose one that you are interested in.

问题14：现在英语有英国英语和美国英语之分，我学什么比较好？

回答：这个问题要就个人而言。英国英语比较传统一些，如果选择学英英，可以选择《新概念英语》、《牛津英语》、《剑桥英语》等教材。而美英在现阶段比较流行，如果选择学美英，也有许多教材，如《现代美国口语》、《走遍美国》等。 你可以根据自己的爱好来选择，没有哪一个更好的问题。

Question15: What's the difference between “before long” and “long before”?

Answer: Though it is only a change of order, the two phrases are completely different from each other in meaning.“Before long” is almost the same as “soon”while “long before”means“a long time before some events”. In this case, we must pay attention to the tense when encountering them, e.g. Before long he joined the army and left his hometown.I had known about him long before I knew him.

问题15:before long 和long before 有什么区别吗？

回答:虽然两者只在词序上有所区别，但是意义却是截然不同的。Before long 意为不久，用法同soon。long before则表示“在……之前很久”。 所以，碰到这两个词的时候，我们要特别注意时态。例如：Before long he joined the army and left his hometown. I had known about him long before I knew him.

Question16: Since "make from","make of" and "make up of" have
the same meaning of "produce",can I use them interchangeably?

Answer:Though the meanings are similar,there're slight differences
between them and it doesn't make sense if we replace them casually.
When you use "make from" to describe the act of making,usually you
are not able to know the raw material of the products (glass, paper
etc.)while "make of" is just the opposite (desk, chair etc.). When
a product is "made up of"something, the product can mostly be
recognized as a mixture. And sometime its usage is the same as
"compose" or "consist", e.g. The City of Shanghai is made up of ten
districts.

问题16: "make up", "make from" 和 "make up of" 都有“制造”的意思,
我是否可以把它们相互替换呢？

答: 虽然这些词意义相近,但还是有细微的差别,所以不可以随意替换。如果你
是用make from来描述“制造”这个动作的，在制成品中通常看不出原料，如：
玻璃,纸等。用make of则恰恰相反,如:桌子,椅子等。如果是make up of的话,
制成品通常是由很多材料混合而成。有时，其用法也可等同于compose或consist，
表示“由……组成”。例如：The City of Shanghai is made up of ten districts.

Question17: How to complete the following sentence?
1.You believe he will come, ________?
2.I think you two have met before, _______?

Answer: 1. don't you 2. haven't you. Only when the main
clause is in the form of "I (first person singular) +
think, suppose, believe etc.", will the tag-question be
determined by the subordinate clause. Otherwise, you only
need to consult its main clause when encountering such
questions.

问题17:怎样完成下列句子？
1.You believe he will come, ________?
2.I think you two have met before, _______?

回答:1.don't you 2. haven't you. 只有当主句以“I
(第一人称单数) + think, suppose, believe etc.”出现时，
反意疑问句才必须与从句的主语和谓语一致。否则，只要看主句
就可以了。

Question18: I came across a sentence like this: "Look,the eels
are still alive". Is it possible for me to replace"alive" with
"living" here? What's the difference between these two words?

Answer: Though the meanings of the two words are almost the same,
"living" is more often used as an attribute (e.g. a living language,
living things) while "alive" is commonly used as a predicate.

问题18:我碰到这样一句句子：Look, the eels are still alive.
请问是否可以用living来代替alive 呢？这两个词有什么区别吗？