April Fool's Day 1st April is a day __1__, / or you could easily __2__ someone. / The origin of the day is __3__ with the change / in the calendar in the 16th __4__, / which __5__ that 1st April was no longer the beginning of the year. / Those who still _______6______ on 1st April were called fools. / On April Fool's Day, you could wear __7__/ and pull a piece of __8__ through it, / so that people try to __9__. / You could __10__ on someone's alarm clock / so that they're late for work.