—Dad, please tell me when Mum _____.I miss her very much.—She will return when she _____her task. And she will bring a nice present for you.
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.