Question

短文改错

The home computers industry have been growing	1．________
rapidly in the United States for last ten years.	2．________
Computers used to be large, expensive machines	3．________
what were very difficult to use. But scientists	4．________
and technicians have been making them more smaller	5．________
and cheaper when at the same time they have been	6．________
made them easier to use. As a result, their popularity	7．________
has been increased as more people have been	8．________
buying computers for their homes and business.	9．________
Computers have been designed to store information
and computer complex problems.	10．________

Answer 1

答案：
解析：

have→has;last前加the;√;what→that;more或more改much ;when→while;;increased→increasing;business→businesses;computer→compute.