1) The Industrial Revolution had considerable impact upon the nature of work.2) It changed the daily lives of ordinary men, women, and children in the regions where it took root and grew. 3) She obtained interesting data in her experimental work. 4) I graduated from this university two years ago. 6) Iron manufacturing originated about 3500 years ago.5)The first computer was the size of a large house. 7) Mark read that sentence very well. 8) US universities began to follow the European model. 9) Pollution became a popular issue after World War II, due to radioactive fallout from atomic warfare and testing. 10) They learnt at last how to purify water. 11) Tom decided to read some articles because he had plenty of time. 12) Many factories tried to follow all the strict environmental guidelines. 13) Economic changes caused far-reaching social changes.

1) The Industrial Revolution didn't have considerable impact upon the nature of work.

Did the Industrial Revolution have considerable impact upon the nature of work?

2) It didn't change the daily lives of ordinary men, women, and children in the regions where it took root and grew.  

Did it change the daily lives of ordinary men, women, and children in the regions where it took root and grew?  

3) She didn'tobtain interesting data in her experimental work.  

Did she obtain interesting data in her experimental work?

4) I didn't graduate from this university two years ago.  

Did I graduate from this university two years ago?

5)The first computer wasn't the size of a large house.  

Was the first computer was the size of a large house?

6) Iron manufacturing didn't originate about 3500 years ago.

Did iron manufacturing originate about 3500 years ago?

7) Mark didn't read that sentence very well.  

Did Mark read that sentence very well?

8) US universities didn't begin to follow the European model.  

Did US universities begin to follow the European model?

9) Pollution didn't become a popular issue after World War II, due to radioactive fallout from atomic warfare and testing.  

Did Pollution become a popular issue after World War II, due to radioactive fallout from atomic warfare and testing?

10) They didn't learn how to purify water yet.

Did they learn at last how to purify water?

11) Tom didn't decide to read some articles because he had plenty of time.  

Did Tom decide to read some articles because he had plenty of time?

12) Many factories didn't tryto follow all the strict environmental guidelines.  

Did many factories try to follow all the strict environmental guidelines?

13) Economic changes didn't cause far-reaching social changes.

Did economic changes cause far-reaching social changes?

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