根据问句选择正确答语，将序号写在题前括号里。
1. When do you do morning exercises?[ ]
A. I do morning exercises at 8:45.
B. I do morning exercises on the playground.
2. When do you eat breakfast?[ ]
A. I usually play sports at 3:30.
B. I usually eat breakfast at 7:30.
3. When do you go to bed?[ ]
A. I go to bed at 9:00 pm.
B. I watch TV at 9:00 pm.
