—Will you go to Mary’s birthday party?—No, ____ invited, I can’t go to it. I’ll be too busy then.
The parents couldn’t tolerate _______the messy ________in the room.
Women ______ focus on practical considerations(考虑) in choosing mates.
Few weight-loss pills can help to keep people slim, __________?
Usually there is a blackboard on the front wall in the classroom, _________there is a slogan.
Finding the ______look on the student’ s face, the professor felt _____about his explanation.