柯南为救小兰暴露身份:看看这道选择题!10

来源:百度文库 编辑:杭州交通信息网 时间:2024/03/29 09:08:06
Bill got to know Harry ______the first day of the new school year.
a. at b. in c. on d. for

看到单词‘day’一般就用介词‘on’。故选C。

C

C