Choose the correct word. 1 the lycurgus cup numbers/dates back to the 4th century. 2 it took over a century to solve/answer the mystery of the colour-changing cup. 3 locals believe that stonehenge has got magical qualities/properties. 4 to get a better understanding/idea of this topic, study the extra notes the teacher gave wed us in class. 5 lasers are now used to count/measure long distances. 6 people who do extreme sports should realise/ comprehend the danger they put themselves into 7 scientists must think/consider the risks of nanotechnology before they bring out new products.