问题
选择题
We often go to school _____seven _____the morning.[ ]
A. at; on
B. on ; at
C. at; in
D. in; at
答案
答案:C
We often go to school _____seven _____the morning.[ ]
A. at; on
B. on ; at
C. at; in
D. in; at
答案:C