I insisted __________ to see a doctor, but he insisted nothing __________ wrong with him.
50. Teachers should be _____ with their students but should not be _____ on them.
49. Western people usually say “_____ New Year and _____ Christmas.”
48. When the _____ young actor appeared on the stage, all eyes were fixed upon him.
47. I will invite some of my friends to my home on Christmas Eve, and I do wish all of them will have a _____ evening.
46. “Will you make room for the old gentlemen, sir?” she said to me in a _____ voice.