阅读下面短文，根据以下提示：1）汉语提示；2）首字母提示；3）语境提示，在每个空格内填入一个适当的英语单词，并将该词完整地写在右边相对应的横线上。所填单词要求意义准确、拼写正确。
I still remember the winter vacation last year, when
I paid a v      to a mountain village in a suburb of Handan.              76. _________
No sooner had I got off the bus ______ I was greatly surprised             77. _________
to see all the ______ (变化). It was better than I had been expected.          78. _________
Now every family can drink clean r______ water. The villagers          79. _________
needn’t carry water ______ (自己) any more. Firewood is              80. _________
no longer ______ (使用) for cooking. Marsh gas, a new cheap            81. _________
clean energy, m     it very convenient to cook and light.                82. _________
All the families have color TV sets, and ______ a result they               83. _________
can e      plays at home. What impressed me most                      84. _________
was ______ the best building in a village was the school. I hope           85. _________
the mountain village will become better and better.