Q41. In spite of his old age, he often plays tennis.
Q42. The man was so tired that he couldn't keep on working.
Q43. My father told me he had visited that beauty spot many times.
Q44. Jane is the most intelligent boy in our class.
Q45. It took three and half hours to fly to Moscow.
Q46. Students don’t need to wear the uniforms today.
Q47. They used to go swimming in the afternoon.
Q48. We are saving money because we want to buy a new house.
Q49. They had better quit smoking.
Q50. I'd rather stay at home than go out tonight.