6、believe it or not_____________________

5、失去信心________________________

4、对......熟悉_____________________

3、即使_____________________

2、经历 / 经受_____________________

1、平静 / 镇静下来_______________________

70. Inside the theatre, they were giving a________ (表演) of Bizet's Carmen.

69. You should not ask others about their ________(个人的) affairs.

68. Scientists have made a ________(突破)in bioengineering recently.

67. His disappearance was ________ (有关)with the robbery.