What a pity! I ______ in Hainan two more days, but something urgent needed to be dealt with back home.
— I’m sorry.I ________ at you the other day. — Forget it.I was a bit out of control myself.
_____ with so much trouble,we failed to complete the task on time.
________ around the Water Cube,we were then taken to see the Bird’s Nest.
I have ______ all the papers but I still can’t find my notes.
_____in the sports world,a sportsman needs to train constantly to keep himself in best condition.