UNIT 5: INVENTIONS 02

The cat is used ____ in the yard in the afternoon.

• for lying  

• to lie

• to lying

Don't wear high heels ____ a long distance, they can hurt your feet.

• for travelling

• to travelling

• travel

Remember to use sun cream ____ getting sunburn.

• to avoid

• for avoid

• avoiding

Doctors make use of anesthetic ____ pain for patients during surgery.

• relief

• to relieve

• for relieve

____ you ____ Central Park in New York yet?

• Do - visit    

• Did – visit

• Have – visited

• were - visiting

I ____ three novels by Charles Dickens so far.

• have read   

• read

• am reading

• was reading

Thanks to these inventions, our lives ____ both positively and negatively.

• has changed

• have changed  

• were changed

• are changed

Arriving home, Linda opened the door, ____ the lights and lay on the sofa.

• turned on

• was turning on

• turning

• turn

Since the birth of vaccination, people ____ from fewer diseases.

• are suffering

• suffer

• have suffered

• are going to suffer

At seven p.m. yesterday, I ____ in my room. Suddenly, I heard a very big noise.

• study

• studied

• had been studying

• was studying