45. You might have asked me to lend you a hand.
46. It is time we studied this problem seriously.
47. If she had not practiced hard all along, she wouldn’t plan the piano so well.
48. If you had not slept with the window open, you would not have caught a cold.
49. He talked about
50. He was very busy yesterday. Otherwise he would have come to our get-together.
51. There difficulties can and must be overcome.
52. You made so many mistakes in the exam. How can you have been so careless.
53. The doctor said that this patient might have been bitten by a snake.
54. You must have been ill for a long time. You should have told us about it earlier.
55. There doors and windows need painting.
56. This building is said to have been pulled down two years ago.
57. The American spoke too fast for the students to follow.
58. He has newspapers delivered to his door every morning.
59. It is surprising that he should have been so rude to that customer.
60. The reason why he failed is that he relies on others too much.
61. The book whose cover is very old must have been published a long time ago.
62. The worker who had been hit by a truck was immediately taken to a nearby hospital by several passers-by.
63. I’ll never forget the day when he joined the army.
64. The pen that I am writing with is a birthday present given to me by my sister.
65. Li Ming is a friend of mine whom I have known since childhood.






