判断题
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Tense and reference are two terms often encountered in ...
判断题Tense and reference are two terms often encountered in the study of meaning.
All words may be said to contain a root morpheme.
判断题All words may be said to contain a root morpheme.
Consonant sounds can be either （）or（）,while all vowel s...
填空题Consonant sounds can be either （）or（）,while all vowel sounds are （）.
