<正> 问:按语法规则,我们应说in the morning/afternoon/evening。如果是指具体某一天的上午、下午或晚上,我们应该用on,如on the morning of May 1, on the afternoon of October 1, on the evening of April 5。但在张汉熙主编的Advanced English (Book Ⅰ)第二课中却有这样一个句子:The accident occurred at about 4: 30 in the afternoon of 13 Septembet, 1818, near the small town of Cavendish, Vermont.句中在具体某天下午用了in是否错呢?
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