56. We listened to the news with a_______________(mix)of surprise and fear.
57. We are looking forward to _______________(hear) from our teacher Mr. Li.
58. It is still under discussion _____________ the old bridge should be rebuilt or not.
59. We are proud of ____________ we have done in the past ten years.
60. Here ________________ some envelopes and paper for you.
61. The girl as well as the boys _______________ (learn) to drive a car now.
62. It’s generally accepted that air pollution is __________________ (harm)to people’s health.
63. Tom’s careless driving accounted _____________the traffic accident last night.
64. This produced a chain reaction, which made ____________possible for life to develop.
65. While giving the English speech, one is not permitted ____________(refer) to the notes.