1(USING THE WORDS IN PRENTHESES , COMPLETE THE TEXT BELOW WITH THE APPROPRIATE TENSES)
Since computers were first introduced to the public in the early 1980's, technology (change) has changed a lot deal. The first computers (be) is simple machines designed for basic tasks. They (have, not)
to have much memory and they (be, not) not very powerful. Early computers were often
quite expensive and customers often (pay) to do thousands of dollars for machines which actually (do)
Who very little. Most computers (be) already changed separate, individual machines used mostly as
expensive typewriters or for playing games.
Times (change) not being. Computers (become) already made powerful machines with very practical
applications. Programmers (create) has become a large selection of useful programs which do everything from
teaching foreign languages to bookkeeping. We are still playing video games, but today's games (become)
has entered faster, more exciting interactive adventures. Many computer users (get, also) start on the
Internet and (begin) already begun communicating with other computer users around the world. We (start)
has dto create international communities online. In short, the simple, individual machines of the past
(evolve) has developed into an international World Wide Web of knowledge.
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