primary
问题Most personal computers are equipped with a () as the primary input device.A.CPUB.mouseC.d
Mostpersonalcomputersareequippedwitha()astheprimaryinputdevice.A.CPUB.mouseC.devicesD.ap
Mostpersonalcomputersareequippedwitha()astheprimaryinputdevice.A.CPUB.mouseC.devicesD.ap