20．They were held together to deal withemergency．——青夏教育精英家教网——

20．They were held together to deal withemergency（紧急情况）．

19．I study nature because I amcurious（好奇的），like all of us．

18．But I am not persuaded that he，or anybody else，offersconvincing（令人信服的）answers．

17．We should often open the windows to allow the air tocirculate（循环）．

16．It is only theachievement（成就）of this goal that will finally bring lasting peace．

15．It is in this very village，where Lily was born 30years ago____ she will build her first art school，____ involves many people to help her．（　　）

14．It just isn't fair that ____I was working as a waiter last month，my friends were lying on the beach．（　　）

13．The sunspot came into its active stage，____ that happens once every eleven years．（　　）

12．She told me that ______ was needed at that time was some good luck．（　　）

11．It was not until he came back _______he knew the police were looking for him．（　　）

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