英语短文改错!(最好有解释）

题目

英语短文改错!(最好有解释）
The spread of the desert is not new.In the ancient times,(1.)
for example,the Middle East was a very fertile area.In(2.)
hundreds of years,desert moved from place to place with their(3.)
animals when an area destroyed.This gave the land a chance(4.)
to recover.They also raised crops every the other year in an (5.)
area,so as they never overworked the land.These traditional(6.)
ways are disappearing,largely because modern technology.Yoday,(7.)
many factors add to the problem at the edges of the desert.The(8.)
population is growing up,and too many animals feed on the (9.)
fragile land.There is now a worldwide effort stop the spread(10.)
of the desert.This may be the last chane to save the land.

答案

1去掉 the .In ancient times,词组,在古代.不需要定冠词（这个古代或那个古代没得）2正确3desert 后加people.沙漠自己不会搬来搬去4when改before,句意：沙漠里的人要在一个地区被破坏之前搬走.当地区破坏了再般已经...