We went to the park (at three o`clock)对括号部分提问
When/ What time did you go to the park?
Jack toes to visit his grandparents (once a week)
How often does Jack go to visit his grandparents?
Lily usually (does her homework)after dinner.
When does Lily usually do her homework?
(Tina and Donny) are going to visit the Great Wall tomorrow.
Who is going to visit the Great Wall tomorrow?
不明白的再问哟,请及时采纳,多谢!