题干
-What time is it ?
-It’s ______ 7:00. We often have breakfast ____7:00
A：at, at
B： /, at
C：at, /
D：at;on
答案(点此获取答案解析）
B
-What time is it ?
-It’s ______ 7:00. We often have breakfast ____7:00
A：at, at
B： /, at
C：at, /
D：at;on
