最佳答案:如果没有某一天,用in如 He was born in February.
最佳答案:在某年/月/季度前用in具体某一天或某一天的上午/下午/晚上前用on在时刻前用at如He was born in January.He was born in
最佳答案:What is the date today?这句话开头问的是 What is ,答句的be动词就应该用is然后,today是今天的意思,用代词就应该是It所以