If everyone knows which class you're talking about, there's no need for the article.
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PhilipIf everyone knows which class you're talking about, there's no need for the article.Thanks. Then does the use of 'a' express that if we have any class on Monday? In other words would using 'a' convey that I am asking if we have any class in general?
Anonymous In other words would using 'a' convey that I am asking if we have any class in general?That's correct.