-- I think the waiter has forgotten us. We ________here for over half an hour! -- I think you're right. He probably thinks we have already ordered.
_____ for the boy who worked 14 hours a day.
At the head of the procession _______, each holding a red flag in his or her hand.
— Look, there ______. — Oh, there _______.
_______, we continued our way.
________ in Tibet for ten years, he has been accustomed to the life and the climate there.