I developed very slowly and it took nearly two hundred years        I was built as an analytical machine by Charles Babbage.

This year’s fall in profits was not unexpected　　　,it is very disappointing.

___ ,she is experienced.

Newspapers, radios, the Internet can often help to solve problems by _____ attention to  situations _____ help is really needed.

Junk messaging has been a headache for years, ＿＿the action taken by the authori-ties has not yet produced the results expected