F( ) has twenty-eight or twenty-nine days.

Which month has only twenty eight or twenty ning days in a y F________ usually has only twenty-eight days. Which month has twenty - eight days Which has twenty-eight and twenty-nine in leap year?It's ( ) February has but twenty-eight days clear.是什么意思? 填入单词 ( )usually has only twenty----eight days. at twenty to nine和eight thirty How mang months have twenty-eight days? hao many month have twenty-eight days? twenty-eight eight-twenty eight thirteen six one!seventeen nine eight twenty-fore fort