单词拼写。结合句意，根据单词首字母或中文意思填写单词，注意单复数，时态、语态等形式。

1．    In a few days, he r______________ strength of body and mind.

72. When did the American C_______________ War break out?

73. We should try our best to ________________(克服) difficulties.

74.   What a pity! All the work is in v______________.

75.   The farmers worked from d______________ to dark on the farms.

76.  A tour on the beautiful Ness Lake is a f__________ for the eyes.

77. The guide asked, “ what's the d______________ of your travel?

78. Today the South is still far behind the rest of the United States in areas such as education and _______________  (经济的) development.

79.  In the Civil War, the city Atlanta was destroyed and there was no money for ________（重建）

80.  The ________ (战后的)years were hard and the people of Atlanta struggled to rebuild the city and create a new South.