Употребите глагол, данный в скобках, в указанном времени 1 Computer

Употребите глагол, данный в скобках, в указанном времени 1 Computer (to help) our space programme,our armed forces,our business and industry,sports and medicine. (Present Indefinite) 2 They are the most afficient servants man ever (to have) (ptesent perfect) 3 Advanced automation (to be) impossible without computers (ptesent indefinite)