Don’t have the clock ______ , Your father is sleeping.

There will be a discussion tomorrow,all those who want to       ,please raise your hands.

— Have you been to the Great Wall? —Perhaps not in my memory. ________, it might have been during my early childhood.

 _______ the smoke come out of the building, my first thought was to call the fire department as soon as possible. 

John passed the examination though he had only spent _______ on the subject as others had done.