A. human race B. be good for C. recently D. terrorist A. intelligence B. wear glasses C. usage D. fake A. propulsion B. won C. artificial D. neither nor A. skin B. conclusion C. with the help of D. heat up A. just now B. designer C. wedding D. disregard A. disturbing B. pearl C. in a way D. slam A. revolution B. rickets C. imperceptible D. cricket A. leap B. technological C. pollution D. colour A. sparrow B. on your right C. naughty D. get into the habit of A. instruct B. juggler C. signal D. guitar