1 . —________ do you usually go to school?     
—At six thirty.

A．What number

B．What time

C．What color

D．What sport

2 . They often go home at 5:15 p.m. (对划线部分提问)
________ ________ do they often go home?

3 . My cousin usually has lunch at 12:00.   (对划线部分提问）
_____ your cousin usually have lunch?

4 . — ________ do you usually get up on school days?
—I usually get up at half past six. I must ________ on time for school.

A．What time; /

B．When; be

C．When; to be