summer前用什么介词?注：这个句子是It,s very hot _____ summer in Nanjing.
问题描述：
summer前用什么介词?注：这个句子是It,s very hot _____ summer in Nanjing.
答
in
summer前用什么介词?注：这个句子是It,s very hot _____ summer in Nanjing.
in