The president spoke at the business meeting for nearly an hour without _____ his notes.
— Do you think the film is good? — Terrific! ______
Recently I bought an ancient Chinese vase,________ was very reasonable.
Mr. Smith is _______ a teacher. He is a friend as well. We all respect him.
The story happened in________ and the hero was in his________.
Can you tell me the way you think of________ the problem?