Fill in the blanks with the words and expressions given below. Change the forms where necessary. 1) My______to leave school when I was only 15 was the worst mistake I ever made. 2) Thanks to hard training, George has improved his______this season from 67th to 30th. 3) We should help Jane in every way possible because her work is______to the project’s success. 4) Mr. Smith______the students’ names on the list as they got on the boat. 5) ______the information we’ve been given, we’re going to see a secret training center in the forest ahead. 6) The library allows you to______six books at a time, but many students would like to borrow more. 7) The classes run from 12:30-14:30, but it______to arrive at least 30-45 minutes early as the roads are often crowded. 8) They joined the same company 20 years ago.______ , their work relationship has developed into friendship. 9) He visited many places over a 16-year period and______much information about the history and geography of the region. 10) I think we’ve fixed everything, and I don’t______finding any more problems. 11) The sports meet______until tomorrow because of bad weather. 12) There are more than 100 wild animal species (种类)______to China, including such well-known rare animals as the giant panda, golden-haired monkey, South China tiger and so on. 13) Eddie has______a close relationship with the local people since he came to this town three years ago. 14) The match______as one of their worst defeats and most of the team members felt disappointed. 15) When he got the report, he decided to return______to London to solve the problem. 16) At the close of the semester, we found that almost everyone in the class had made ______progress. 17) Well, if you keep on eating so much, you’ll have to take the______! 18) Mrs. Lee asked the children to______the best picture from their collections and share them with their classmates. 19) When he got into the room, he realized______that there was something wrong.