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题目内容
（河北工业大学大学英语）
In the Great Vowel Shift， the pronunciation of the English changed completely.
A. short vowels and diphthongs B. long vowels and diphthongs
C. short vowels D. all vowels
A. short vowels and diphthongs B. long vowels and diphthongs
C. short vowels D. all vowels
参考答案
