In the following passage, some numbered lines contain a word that shouldn’t be there. Tick (√) the sentences that are correct and write the words that shouldn’t be there in the numbered space.

KEEPING YOUR DISTANCE

Personal space is a term that refers to the distance we like to keep between ourselves and other people. When someone we do not know well gets too close that we usually begin to feel uncomfortable. If such a business colleague comes closer than 1.2 meters, the most common response is to move away. Some interesting studies have been done in libraries. If strangers will come too close, many people get up and leave the building, others use to different methods such as turning their back on the intruder. Living in cities has made people to develop new skills for dealing with situations where they are very close to strangers. Most people on so crowded trains try not to look at strangers; they avoid skin contract, and apologize if hands touch by a mistake. People use newspapers as a barrier between themselves and other people, and if they do not have one, they stare into the distance, making sure they are not looking into anyone’s eyes.