69.　 ____________　 ____________(既然) you have the chance, why not make good use of it?

68.　 Some people believe that life _________(存在) on other planets.

67.　 Watching too much TV or playing computer games too often is ______(有害的) to our eyes.

66.　 The news that he cheated in the exam __________(传开) through the school quickly.

65.　 Teenagers should not be allowed to watch v__________ movies.

64.　 There is a ____________(大陆性的) climate in that place.

63.　 I must ____________　 ____________(安定下来) this morning and finish the homework.

62.　 He’s trying to ____________　 ____________(想出) how to solve the problem.

61.　 He ____________　 ____________　 ____________　 ____________(有天赋) music.

60.　 He was elected ____________(部长) of Education.