The most useful invention ——computer 写一篇英语作文

我也是九年级的,所以写过,
As the most useful invenion,computers have lots of advantages.First of all,students who have problem with their study when teachers are not available surf the internet to find out the solutions.As a result,students will receive more knowledge than they learn from the school.What's more,people who do not have much time doing shopping can by goods from the internet.Those goods are inexpensive and they also have good qualities.