题目

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 _______已知：如图，和都是等腰直角三角形，，为边上一点．求证: