Q6. Complete each gap in the paragraph below with the correct word from the box. Note there are more words than you need. (6 marks: 1 mark each) designed immense purpose accumulated rejected classic experimentation persisted hostile Many inventions are the result of hours of research and 1). This was also the case with John Sterling's self-cleaning glasses. John 2). the prototype in 2003, but it took him more than five years to have the product ready for sale. He presented the glasses to a couple of investors, but they both 3) them. John 4). and in the end he found a person who was willing to invest in his product. The glasses had a/an 5). design and proved to be a/an 6). success.