Which floor do you_______ this tall building?
I think physics is very difficult to learn. Do you ________ me?
We have to stay at home instead of going finishing because it is raining.
—Mum, my little sister is crying all the time. —Mary, be! She feels sick. You should take good care of her.
I used to spend a lot of time ________ computer games.
Li Ming came to school his Dad’s car this morning.