Use some of the words in bold in the text in the correct form to complete the sentences (1-5). 1 That book about computers was written in 1990. It's so ........ now. 2 Many factories emit ........ fumes. 3 I can't keep up with the fast ........ of technology. 4 If you don't want that printer anymore, why don't you ........ it to the local primary school? 5 Look at all this rubbish that people have ........ here!