Question

21:30用英语表示有几种方式 15:15用英语表示有几种方式 5:45用英语表示有几种方式

Answer 1

21：30：thirty to ten,PM; half past nine,PM;half past to twenty-one (好像没见过该表达）

15:15:a quarter past three,PM; a quarter after three,PM; a quarter after fifteen; a quater past fifteen

5:45 a quarter to six,AM; five forty-five,AM; five forty-five;