79.My grandfather is really old.He often m______ me up with my sister.　

78.It is r___________ that all the students should wear school uniform at school.　

77.City people want to be outdoors on the weekend and do something c___________, like mountain climbing ,cycling and so on .

76.The children had an a_________ about what game to play, but they didn’t reach an agreement.

75.Time is v___________ and every one of us should make good use of every minute.

74. According to the plan, the headmaster was ___________ (应该，应当)to attend the meeting at 10 o’clock in the morning.

73. I　 __________ (真诚地) hope your father will be well again soon.

72. Are there any ___________ (解释)for your strange behavior?

根据所给汉语提示或首字母，写出适当的单词形式，使得句子完整与正确。

71. The college student _____(坚持)that he should be sent to the west, where he was most needed.