判断题Acronyms and abbreviations are formed by putting together the initial letters of some or all words in a phrase or title.()
判断题Sounds are said to be in contrastive distribution if they appear in the same environment.()
判断题Words and phrases like now, yesterday, next week, in three day, etc. are called discourse deixis.()
判断题Afunctional variety is a variety of a language spoken by people living in an are
判断题In telegraphic stage, children use single words to represent various meanings.()