——Dad, why should I stop _____ computer games?——For your health, my boy.
– Finish your homework, ________ you can't watch TV, Jim. – All right. Mum.
Look! The sign on the wall ________ “No photos”.
Don't worry. He is _______ to take care of the little baby.
—Does your father still smoke? —No, he has succeeded in_____smoking for three years.
—How long have you been in Beijing? —_____