75. How to h_________ the problem is a challenge to the central government

74. Nowadays students are under great p________, with so much daily homework to do.

73. The famous figure was s___________ to have attended the charity party, but he had an important appointment then.

72. The students are in the school library, making p_____ for the coming mid-term exam.

71. The passenger injured in the traffic accident s_____________ to his feet, but failed.