题目内容：

短文改错

下面短文画线部分有错，把正确答案写在该行后面横线上，不得改变原句意义。

Predict the future can be very difficult．There are so many   1.________

predictions what never came true．Before 1929，there2.________

was not sound in movies．The head of one of the biggest movie  3._______

company in the United States predicted that no one would want to see  4.________

actors to talk．Of course，he was wrong! In 1977，the head of the     5.________

biggest computer company in the United States said, “No one would want 6.________

to have a computer in his and her home.”  He thought that computers 7._______

would never use by most people，but most people have computers in  8.________

their homes now. We never know what will happen at the future, but we 9.________

believe we shall live a better life than before if we work hardly now. 10.________