The pronunciation rules of OO letter combination

The pronunciation of the letter combination OO is: classroom, bedroom, good, foot, stock (understood), wood, wood, tool, book, look, cook, Students should pay special attention to the pronunciation difference of the letter combination OO in room and classroom. We can remember that long words pronounce short sounds, that is classroom / U /, short words pronounce long sounds room / u: /

RELATED INFORMATIONS

1. What are the pronunciation rules of letter combination?
2. Finding the rules of English letters and their combination pronunciation As long as the rules do not examples do not cut for originality General rules do not need to be written, such as which letter C pronounces s before and which letter pronounces k after
3. How to write English words of banana
4. English words of banana, car, hat and coat (singular form)
5. How to write the English words of banana
6. Banana in English
7. Please help me get an apple for me
8. How to read apple in English
9. How to read Apple Mobile English in Chinese
10. Please give me an apple
11. Pronunciation rules in Chinese Pinyin For example, if two Chinese characters are the third tone, then the first Chinese character reads the second tone. Who can help me find out more pronunciation rules? Good answer, I will add a lot of points! Thank you!
12. Pronunciation rules of Chinese Pinyin H K
13. Seek a Book of English pronunciation rules Detailed rules of English pronunciation are required. Examples are as follows: absolute open syllable, relative open syllable Some of the changes in phonemes (for example, some phonemes sometimes need to be turbid); intonation; etc. provide the title of the book and the name of the publishing house
14. Rules of American English pronunciation
15. Pronunciation rules of English Phonemes I'm sorry, there's another question that I didn't ask clearly. For example, is the phonetic mark of the word "father" [ˈ f or: ð ə] pronounced according to the vowel phoneme, that is to say, {or:} {ə} these two? Is the front f just a consonant? Is it a phonetic f
16. Rules of English pronunciation My English pronunciation is not accurate, often foreigners say, I can't understand? I said foreigners also very confused, so please tell me the rules of pronunciation
17. I want to read Strange English words, but I don't know how to read them. What's the general pronunciation of English words?
18. What is the plural of English? Is there anything special?
19. Is the plural of woman woman?
20. Woman