Complete each sentence with two to five words including the word in bold. 1).when did paul sell his house? (since)how long is it ? 2).mark started playing the guitar three years ago.(has)mark the guitar for three years. 3).the children haven't finished their homework yet.(still)the homework. 4).when did you last decorate your living-room? (since)how long is it living-room. 5).we haven't called the plumber yet.(still) plumber.