at summer 还是IN SUMMER

at summer 还是IN SUMMER in a summer night还是at a summer night 在暑假是on summer还是in summer还是at summer 是at the summer 还是 in the summer 还是on the summer the summer 前加on还是in还是at 是in summer 还是in the summer 是in summer还是on summer 想询问‘‘北京天气如何’’,应说 what's the weather like at summer in beijing 还是 what's the下面 weather like in summer in beijing /////? ______（in,on,at）summer holiday 四季的说法是什么?in the summer 还是 in summer? 初二两道英语句型转换题.(急!在线等!)1.The Kings are going to take a vacation in San Francisco thiss ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~summer.(对画线部分提问) _____ _____ the Kings going to _____ tjis summe 请问是in summer vacation还是on summer vacation? 在夏天是用in summer 还是on summer In a happy summer还是on a happy summer ( ) the summer holiday 填in还是on She likes staying at home in summer. 同义句She likes ---- ---- in summer In summer it is hot in the day and cool at night.summer前面有逗号 Why don't you visit New York this summer?(保持句意不变) ______ _____you visit New York this summe?