冠词易考点：
1、冠词修饰名词。
Please go _____ upstairs after you have finished the lunch.
upstairs是副词，前面不需要加冠词。
2、可数名词单数泛指，前面加不定冠词。an用于读音以元音开头的单词前。
Reading English story books is a good way of improving your English.
I have been waiting for him for half an hour.
3、名词特指时，前面加定冠词。
He is enjoying his stay in Denmark， but has some difficulty with the language.
Is the water from the tap fit for drink?
4、可数名词的复数和不可数名词泛指，前面不加冠词;大部分专有名词前也不加冠词。
As we know， the most dangerous enemies are those who pretend to be friends.
They left for work after supper.
The film includes some recently discovered newsreels of World War II .(the Sencond World War)
5、冠词在固定词组中的特定用法。
Without any news from Tom for a long time， his father left for Shanghai to see him.
They will travel by air.
I will help you for the sake of your sister.(for the sake of 因为)
I will go to school on foot.
My mother is in hospital.
He has been in prison for two years.
典型例题
1. ______ film includes some recently discovered newsreels of _______ World War II.
A. The; the B. A; the C. The; / D. A; /
World War II是专有名词
答案：C
2. Can you play _____?
A. piano B. pianos C. a piano D. the piano
答案：D
