-What time do you usually get up ( ) weekdays?-( ) about seven o'clock.A.on;OnB.at;OnC.at;AtD.on;At

问题描述:

-What time do you usually get up ( ) weekdays?-( ) about seven o'clock.
A.on;On
B.at;On
C.at;At
D.on;At

选D。On weekdays 固定搭配,at+时间点

D.on;At on weekend 习惯用法.在具体时刻介词用at .