writing skill - sup.sentencesVersión en línea writing skill - sup.sentences 101 por Margarita Araque 1 Topic Sentence (T) 2 Supporting Sentence (S) The internet has completely changed our access to information. There are many different ways to use technology in security. Over the last fifty years, there have been many great achievements in space travel and technology Take, for example, how many books and articles you can read online. For example, closed circuit television (CCTV) is on our streets and in public places. In other words, all your personal information can be put onto one identity card. Firstly, Russia put the first satellite in space in 1957. Now there are thousands in space. Furthermore, robots have now landed and travelled on Mars.
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