问题补充：
V．短文改错
Dear editor,
Some years ago, my hometown was used to be a beautiful place. 66.
Thick trees and grass can be seen all over the hills. 67.
As time going by, people destroyed almost the whole 68.
forests grow more crops. To make matters worse, people let their 69.
cattles eat up the grass. So, you can only see wasteland 70.
instead green forests now. As a result, when it rains, the 71.
soil is washed down the hills and in the rivers. Strong winds also 72.
blow away the valuable soil lie on the top of the fields. 73.
I do hope all the people will take good care of the forests 74.
and plant more trees to improve our living conditions better. 75.66.去掉was 67.can→could 68.going→went或As →With
答案：
(答案→)66.去掉was 67.can→could 68.going→went或As →With
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