问题补充:
--do you usually go to school? --seven o’clock the morning.
A. What time; At; in
B. When; In; at
C. How; At; in
D. What time; At; on
答案:
(答案→)A. What time; At; in
B. When; In; at
C. How; At; in
D. What time; At; on
解析:句意:--你通常几点去上学?--在早晨七点。根据答语可知这里回答的是表示时间的词,所以上句的疑问词可以用when或what time,故排除C;在具体的时刻前应该用介词at,故排除B;在早晨应该用介词in,故选A。