Asastudent,youmustarriveatschool

問題詳情：

As a student, you must arrive at school ________.

A. on time               B. in time               C. for the first time        D. from time to time

【回答】

A   on time“按時”；in time“及時”；for the first time“第一次”；from time to time“有時；間或”。將選項代入題幹可知on time符合題意。

知識點：介詞和介詞短語

題型：選擇題