中国大学MOOC: There are two central vowels in English. What are they?
举一反三
- There are two central vowels in English. What are they? A: /i:/ B: /3:/ C: /e/ D: /ə/
- There are only two central vowels in English: /3:/ and /ə/ .
- 中国大学MOOC: Pure vowels can be classified into three categories: front vowels, central vowels and back vowels. The two vowels/ɜː/ and /ə/ are classified into ______ vowels because they are made with the middle part of the tongue being raised.
- 中国大学MOOC: How can you distinguish between front vowels, central vowels, and back vowels?
- 中国大学MOOC: There are ______ pure vowels and ______ diphthongs in English.