on the summer evening为什么用on

on the summer evening为什么用on the summer holiday is on the the summer holiday is on the way! 是at the summer 还是 in the summer 还是on the summer ( ) the summer holiday 填in还是on 能说on the summer holidays吗? the summer place and so on On the summer days 的中文是什么 The summer holiday are on the way.要求：翻译中文. 英语翻译best wishes for you on the hot summer 还是in the hot summer? The summer holiday goes on from July to September. the summer 前加on还是in还是at it is () to lie on the beach in summer There are many green l_____ on the tree in summer. IN SUMMER ,WE OFTEN FOBOATING ON THE L____WHY On summer night,I often go to sleep< > the windows the Summer The summer