I.单项选择（共15分）
( ) 1. Sunday morning, I often s leep late and get up at 8:00.
A. In B. On C. At D. Of
( ) 2. Every day people go to lost and found offices.
A. hundred B. hundreds C. hundred of D. hundreds of
( ) 3.Three days __________, he was _________ for school again.
A. late; later B. later; late C. lately; late D. later; lately
