Richard M. Russell said 52 percent of the nation's growth since the Second World War had (i)____________ invention. He said, (ii)____________ research, the government's greatest role in assuring continuing innovation is promoting a strong, modern patent office. "Unless we can (iii)____________ original ideas, we will not have invention," Mr. Russell said. Speculating on the state of innovation over the next century, several inventors agreed that the future lay in giving children the tools to think creatively and the motivation to invent. A. been at the B. in addition to restricting C. evaluate expense of D. no bearing on E. aside from supporting F. protect G. come through H. far from exaggerating I. disseminate