He promised to pick me up at the school gate. However. he __ yet.
---Who can tell me_______? ---Every 15 minutes.
The newly-designed car is on show now. I wonder .
---What did the policeman say to you just now? --- He asked _______ when the accident happened.
---Can you describe_______? ---Of course.
—Could you tell me ______? —Usually one hour and a half.