—Lily, _____ you _____ your ticket?—Not yet!
Sorry,we don’t allow ________ in the lecture room.
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.