Now, the leader has asked a group of students to do all what they can to save the Earth.

用所给动词或动词短语的正确形式填空

　　But there is still hope. The human beings have been able to keep a small, secret school open since the machines 1 . In this school, the students still 2 all the wonders of the world－science, art, history, culture and they are still 3 to dream about a better future. The leader of the humans 4 that if it is time 5 something to stop AXL, 6 the machines and people back together, and 7 the world beautiful again. A group of experts 8 to solve the problem, but they 9 . Now, the leader has asked a group of students to do what they can 10 the Earth.