英语脑筋急转弯1、How many months have 28 days?2、If two cats are befo

英语脑筋急转弯
1、How many months have 28 days?
2、If two cats are before a cat ,and two cats
are behind a cat,and a cat is in the middle,
how many cats are there in all?
3、Two teachers teach at the same school.One is the mother of the other's son.What relation are they to each other?
4、Where does afternoon always come before morning in the world?