On the first of may,people usually go to parks.错在哪?

I was born on first of the May.同义句 _____ ______on the first of May I was born on the first of May?同义句 I was born on first of the May的同义句_____ ______ _______ on the first of May Most people do not go to work___.A.on May the first B.on the May of the first May Day is--------------the first of May A.on B.in C.at of is the day on may may first 连词成句 May Day is （on the first of May）.对扩起来的部分提问 on the first of May Day is on the first _____May. He joined the army on _ of May 1980.A.1 st B.the 1 C.first D.the first we will have a meeting [ ].A;at the night of twenty-one of MayB;at the night of May twenty-oneC;on the night of twentieth-first of MayD;on the night of twenty-first of May必须有理由 ( )is on the first day of may.填入适当的节日名称 My birthday is on the first of May. 改为同义句 On the first of may,people usually go to parks.错在哪? got,of ,there,on,first,morning,I,May,the.连词成句, 什么介词the moring of May first Today is __.A.the first of May.B.May first.C.the first May.D.One May I will meet my friend on the morning of May first.中为什么是on而不是in?