People are puzzuled—they read the book.the first time,at the first time,for the first time选哪
问题描述：
People are puzzuled—they read the book.the first time,at the first time,for the first time选哪
英语单选题
答
People are puzzuled the first time they read the book.the first time,at the first time,for the first time
【the first time】直接就是一个连词,前面不需要加任何介词的