Mary is a careful girl．—Yes. She always goes over her exercises to there are no mistakes．

I like the movie Harry Potter very much. I ________ it three times.

We ‘ll be back for our school’s _____anniversary (周年) ceremony . -I see. That means you’ll have a get-together with your classmates in ____years .

I’m sorry to tell you a fast car _______ Li Lei yesterday. —Oh, that’s terrible!

the help of Uncle Wang my father repaired my computer.[ ]