根据括号内的英（汉）语提示，完成句子。

66.--When is ________ (father) Day? ―On the third Sunday of June.

67. This morning the traffic was ________ (crowd) so I was not late for work.

68. Tom went to basketball practice with ________ (勇气) rather than fear in his heart.

69. Nowadays sky lanterns ________ (see) as bright symbols of good luck.

70. Erquan Yingyue is one of the most moving pieces of music that I________ (hear).

71. The ________(关键) to success is to learn from mistakes and never give up.

72. As students, we should try to master more________ (know) to build our motherland better.

73.--Did you watch Euro2016 last night?   ―No, I _______ (study) for the exams at that time.

74. I think health is a kind of _______(财富).