—What do you think we can do for our aged parents?—You do anything except that you visit them as often as possible.
I have an appointment _______ Dr.Brown,but I need to change it.
— 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.