!1)put the words in brackets in the correct form. human beings are characterized not only by their (intelligent) but by their (able) to use technology to shape their environment. the (discover) of how to use fire was one of the most important events in the history of our species and the (invent) of the plough and the wheel were also significant (develop). it is difficult to imagine what our (civilize) would be like without technology 2) insert articles where necessary. 1). sergio arau is artist, musician, director. 2). he was born in mexico city, capital of mexico. 3). in 2004, he made film called a day without a mexican. 4). film is about immigrants in california. 5). about 31% of people who live in are mexican. 6). a day without a mexican won award at cartagena film festival.