填入单词 ( )usually has only twenty----eight days.

填入单词 ( )usually has only twenty----eight days. F________ usually has only twenty-eight days. Which month has only twenty eight or twenty ning days in a y Which month has twenty - eight days February has but twenty-eight days clear.是什么意思? How mang months have twenty-eight days? hao many month have twenty-eight days? twenty-eight eight-twenty What eight-letter word has only one-letter in it?什么8个字母的单词只有 Which has twenty-eight and twenty-nine in leap year?It's ( ) sometimes there are twenty-eight days in A May B February C